Xiaozhe Shi | d5d2141 | 2013-02-06 17:14:41 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | #define pr_fmt(fmt) "%s: " fmt, __func__ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/err.h> |
| 18 | #include <linux/spmi.h> |
| 19 | #include <linux/of.h> |
| 20 | #include <linux/of_device.h> |
| 21 | #include <linux/radix-tree.h> |
| 22 | #include <linux/interrupt.h> |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 23 | #include <linux/delay.h> |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 24 | #include <linux/qpnp/qpnp-adc.h> |
| 25 | #include <linux/power_supply.h> |
| 26 | #include <linux/bitops.h> |
Abhijeet Dharmapurikar | 53ce35a | 2013-03-29 16:14:16 -0700 | [diff] [blame] | 27 | #include <linux/ratelimit.h> |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 28 | #include <linux/regulator/driver.h> |
| 29 | #include <linux/regulator/of_regulator.h> |
| 30 | #include <linux/regulator/machine.h> |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 31 | |
| 32 | /* Interrupt offsets */ |
| 33 | #define INT_RT_STS(base) (base + 0x10) |
| 34 | #define INT_SET_TYPE(base) (base + 0x11) |
| 35 | #define INT_POLARITY_HIGH(base) (base + 0x12) |
| 36 | #define INT_POLARITY_LOW(base) (base + 0x13) |
| 37 | #define INT_LATCHED_CLR(base) (base + 0x14) |
| 38 | #define INT_EN_SET(base) (base + 0x15) |
| 39 | #define INT_EN_CLR(base) (base + 0x16) |
| 40 | #define INT_LATCHED_STS(base) (base + 0x18) |
| 41 | #define INT_PENDING_STS(base) (base + 0x19) |
| 42 | #define INT_MID_SEL(base) (base + 0x1A) |
| 43 | #define INT_PRIORITY(base) (base + 0x1B) |
| 44 | |
| 45 | /* Peripheral register offsets */ |
| 46 | #define CHGR_CHG_OPTION 0x08 |
| 47 | #define CHGR_ATC_STATUS 0x0A |
| 48 | #define CHGR_VBAT_STATUS 0x0B |
| 49 | #define CHGR_IBAT_BMS 0x0C |
| 50 | #define CHGR_IBAT_STS 0x0D |
| 51 | #define CHGR_VDD_MAX 0x40 |
| 52 | #define CHGR_VDD_SAFE 0x41 |
| 53 | #define CHGR_VDD_MAX_STEP 0x42 |
| 54 | #define CHGR_IBAT_MAX 0x44 |
| 55 | #define CHGR_IBAT_SAFE 0x45 |
| 56 | #define CHGR_VIN_MIN 0x47 |
| 57 | #define CHGR_VIN_MIN_STEP 0x48 |
| 58 | #define CHGR_CHG_CTRL 0x49 |
| 59 | #define CHGR_CHG_FAILED 0x4A |
| 60 | #define CHGR_ATC_CTRL 0x4B |
| 61 | #define CHGR_ATC_FAILED 0x4C |
| 62 | #define CHGR_VBAT_TRKL 0x50 |
| 63 | #define CHGR_VBAT_WEAK 0x52 |
| 64 | #define CHGR_IBAT_ATC_A 0x54 |
| 65 | #define CHGR_IBAT_ATC_B 0x55 |
| 66 | #define CHGR_IBAT_TERM_CHGR 0x5B |
| 67 | #define CHGR_IBAT_TERM_BMS 0x5C |
| 68 | #define CHGR_VBAT_DET 0x5D |
| 69 | #define CHGR_TTRKL_MAX 0x5F |
| 70 | #define CHGR_TTRKL_MAX_EN 0x60 |
| 71 | #define CHGR_TCHG_MAX 0x61 |
| 72 | #define CHGR_CHG_WDOG_TIME 0x62 |
| 73 | #define CHGR_CHG_WDOG_DLY 0x63 |
| 74 | #define CHGR_CHG_WDOG_PET 0x64 |
| 75 | #define CHGR_CHG_WDOG_EN 0x65 |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 76 | #define CHGR_IR_DROP_COMPEN 0x67 |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 77 | #define CHGR_I_MAX_REG 0x44 |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 78 | #define CHGR_USB_USB_SUSP 0x47 |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 79 | #define CHGR_USB_USB_OTG_CTL 0x48 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 80 | #define CHGR_USB_ENUM_T_STOP 0x4E |
| 81 | #define CHGR_CHG_TEMP_THRESH 0x66 |
| 82 | #define CHGR_BAT_IF_PRES_STATUS 0x08 |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 83 | #define CHGR_STATUS 0x09 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 84 | #define CHGR_BAT_IF_VCP 0x42 |
| 85 | #define CHGR_BAT_IF_BATFET_CTRL1 0x90 |
| 86 | #define CHGR_MISC_BOOT_DONE 0x42 |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 87 | #define CHGR_BUCK_COMPARATOR_OVRIDE_1 0xEB |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 88 | #define CHGR_BUCK_COMPARATOR_OVRIDE_3 0xED |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 89 | #define CHGR_BUCK_BCK_VBAT_REG_MODE 0x74 |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 90 | #define MISC_REVISION2 0x01 |
David Keitel | 5c3a770 | 2012-12-20 11:13:21 -0800 | [diff] [blame] | 91 | #define USB_OVP_CTL 0x42 |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 92 | #define USB_CHG_GONE_REV_BST 0xED |
| 93 | #define BUCK_VCHG_OV 0x77 |
| 94 | #define BUCK_TEST_SMBC_MODES 0xE6 |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 95 | #define SEC_ACCESS 0xD0 |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 96 | #define BAT_IF_VREF_BAT_THM_CTRL 0x4A |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 97 | #define BAT_IF_BPD_CTRL 0x48 |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 98 | #define BOOST_VSET 0x41 |
| 99 | #define BOOST_ENABLE_CONTROL 0x46 |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 100 | #define COMP_OVR1 0xEA |
| 101 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 102 | #define REG_OFFSET_PERP_SUBTYPE 0x05 |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 103 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 104 | /* SMBB peripheral subtype values */ |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 105 | #define SMBB_CHGR_SUBTYPE 0x01 |
| 106 | #define SMBB_BUCK_SUBTYPE 0x02 |
| 107 | #define SMBB_BAT_IF_SUBTYPE 0x03 |
| 108 | #define SMBB_USB_CHGPTH_SUBTYPE 0x04 |
| 109 | #define SMBB_DC_CHGPTH_SUBTYPE 0x05 |
| 110 | #define SMBB_BOOST_SUBTYPE 0x06 |
| 111 | #define SMBB_MISC_SUBTYPE 0x07 |
| 112 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 113 | /* SMBB peripheral subtype values */ |
| 114 | #define SMBBP_CHGR_SUBTYPE 0x31 |
| 115 | #define SMBBP_BUCK_SUBTYPE 0x32 |
| 116 | #define SMBBP_BAT_IF_SUBTYPE 0x33 |
| 117 | #define SMBBP_USB_CHGPTH_SUBTYPE 0x34 |
| 118 | #define SMBBP_BOOST_SUBTYPE 0x36 |
| 119 | #define SMBBP_MISC_SUBTYPE 0x37 |
| 120 | |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 121 | /* SMBCL peripheral subtype values */ |
| 122 | #define SMBCL_CHGR_SUBTYPE 0x41 |
| 123 | #define SMBCL_BUCK_SUBTYPE 0x42 |
| 124 | #define SMBCL_BAT_IF_SUBTYPE 0x43 |
| 125 | #define SMBCL_USB_CHGPTH_SUBTYPE 0x44 |
| 126 | #define SMBCL_MISC_SUBTYPE 0x47 |
| 127 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 128 | #define QPNP_CHARGER_DEV_NAME "qcom,qpnp-charger" |
| 129 | |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 130 | /* Status bits and masks */ |
| 131 | #define CHGR_BOOT_DONE BIT(7) |
| 132 | #define CHGR_CHG_EN BIT(7) |
| 133 | #define CHGR_ON_BAT_FORCE_BIT BIT(0) |
David Keitel | 5c3a770 | 2012-12-20 11:13:21 -0800 | [diff] [blame] | 134 | #define USB_VALID_DEB_20MS 0x03 |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 135 | #define BUCK_VBAT_REG_NODE_SEL_BIT BIT(0) |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 136 | #define VREF_BATT_THERM_FORCE_ON 0xC0 |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 137 | #define BAT_IF_BPD_CTRL_SEL 0x03 |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 138 | #define VREF_BAT_THM_ENABLED_FSM 0x80 |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 139 | #define REV_BST_DETECTED BIT(0) |
| 140 | #define BAT_THM_EN BIT(1) |
| 141 | #define BAT_ID_EN BIT(0) |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 142 | #define BOOST_PWR_EN BIT(7) |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 143 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 144 | /* Interrupt definitions */ |
| 145 | /* smbb_chg_interrupts */ |
| 146 | #define CHG_DONE_IRQ BIT(7) |
| 147 | #define CHG_FAILED_IRQ BIT(6) |
| 148 | #define FAST_CHG_ON_IRQ BIT(5) |
| 149 | #define TRKL_CHG_ON_IRQ BIT(4) |
| 150 | #define STATE_CHANGE_ON_IR BIT(3) |
| 151 | #define CHGWDDOG_IRQ BIT(2) |
| 152 | #define VBAT_DET_HI_IRQ BIT(1) |
| 153 | #define VBAT_DET_LOW_IRQ BIT(0) |
| 154 | |
| 155 | /* smbb_buck_interrupts */ |
| 156 | #define VDD_LOOP_IRQ BIT(6) |
| 157 | #define IBAT_LOOP_IRQ BIT(5) |
| 158 | #define ICHG_LOOP_IRQ BIT(4) |
| 159 | #define VCHG_LOOP_IRQ BIT(3) |
| 160 | #define OVERTEMP_IRQ BIT(2) |
| 161 | #define VREF_OV_IRQ BIT(1) |
| 162 | #define VBAT_OV_IRQ BIT(0) |
| 163 | |
| 164 | /* smbb_bat_if_interrupts */ |
| 165 | #define PSI_IRQ BIT(4) |
| 166 | #define VCP_ON_IRQ BIT(3) |
| 167 | #define BAT_FET_ON_IRQ BIT(2) |
| 168 | #define BAT_TEMP_OK_IRQ BIT(1) |
| 169 | #define BATT_PRES_IRQ BIT(0) |
| 170 | |
| 171 | /* smbb_usb_interrupts */ |
| 172 | #define CHG_GONE_IRQ BIT(2) |
| 173 | #define USBIN_VALID_IRQ BIT(1) |
| 174 | #define COARSE_DET_USB_IRQ BIT(0) |
| 175 | |
| 176 | /* smbb_dc_interrupts */ |
| 177 | #define DCIN_VALID_IRQ BIT(1) |
| 178 | #define COARSE_DET_DC_IRQ BIT(0) |
| 179 | |
| 180 | /* smbb_boost_interrupts */ |
| 181 | #define LIMIT_ERROR_IRQ BIT(1) |
| 182 | #define BOOST_PWR_OK_IRQ BIT(0) |
| 183 | |
| 184 | /* smbb_misc_interrupts */ |
| 185 | #define TFTWDOG_IRQ BIT(0) |
| 186 | |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 187 | /* SMBB types */ |
| 188 | #define SMBB BIT(1) |
| 189 | #define SMBBP BIT(2) |
| 190 | #define SMBCL BIT(3) |
| 191 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 192 | /* Workaround flags */ |
| 193 | #define CHG_FLAGS_VCP_WA BIT(0) |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 194 | #define BOOST_FLASH_WA BIT(1) |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 195 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 196 | struct qpnp_chg_irq { |
| 197 | unsigned int irq; |
| 198 | unsigned long disabled; |
| 199 | }; |
| 200 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 201 | struct qpnp_chg_regulator { |
| 202 | struct regulator_desc rdesc; |
| 203 | struct regulator_dev *rdev; |
| 204 | }; |
| 205 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 206 | /** |
| 207 | * struct qpnp_chg_chip - device information |
| 208 | * @dev: device pointer to access the parent |
| 209 | * @spmi: spmi pointer to access spmi information |
| 210 | * @chgr_base: charger peripheral base address |
| 211 | * @buck_base: buck peripheral base address |
| 212 | * @bat_if_base: battery interface peripheral base address |
| 213 | * @usb_chgpth_base: USB charge path peripheral base address |
| 214 | * @dc_chgpth_base: DC charge path peripheral base address |
| 215 | * @boost_base: boost peripheral base address |
| 216 | * @misc_base: misc peripheral base address |
| 217 | * @freq_base: freq peripheral base address |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 218 | * @bat_is_cool: indicates that battery is cool |
| 219 | * @bat_is_warm: indicates that battery is warm |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 220 | * @chg_done: indicates that charging is completed |
| 221 | * @usb_present: present status of usb |
| 222 | * @dc_present: present status of dc |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 223 | * @batt_present: present status of battery |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 224 | * @use_default_batt_values: flag to report default battery properties |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 225 | * @max_voltage_mv: the max volts the batt should be charged up to |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 226 | * @min_voltage_mv: min battery voltage before turning the FET on |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 227 | * @max_bat_chg_current: maximum battery charge current in mA |
| 228 | * @warm_bat_chg_ma: warm battery maximum charge current in mA |
| 229 | * @cool_bat_chg_ma: cool battery maximum charge current in mA |
| 230 | * @warm_bat_mv: warm temperature battery target voltage |
| 231 | * @cool_bat_mv: cool temperature battery target voltage |
| 232 | * @resume_delta_mv: voltage delta at which battery resumes charging |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 233 | * @term_current: the charging based term current |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 234 | * @safe_current: battery safety current setting |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 235 | * @maxinput_usb_ma: Maximum Input current USB |
| 236 | * @maxinput_dc_ma: Maximum Input current DC |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 237 | * @warm_bat_decidegc Warm battery temperature in degree Celsius |
| 238 | * @cool_bat_decidegc Cool battery temperature in degree Celsius |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 239 | * @revision: PMIC revision |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 240 | * @type: SMBB type |
| 241 | * @tchg_mins maximum allowed software initiated charge time |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 242 | * @thermal_levels amount of thermal mitigation levels |
| 243 | * @thermal_mitigation thermal mitigation level values |
| 244 | * @therm_lvl_sel thermal mitigation level selection |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 245 | * @dc_psy power supply to export information to userspace |
| 246 | * @usb_psy power supply to export information to userspace |
| 247 | * @bms_psy power supply to export information to userspace |
| 248 | * @batt_psy: power supply to export information to userspace |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 249 | * @flags: flags to activate specific workarounds |
| 250 | * throughout the driver |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 251 | * |
| 252 | */ |
| 253 | struct qpnp_chg_chip { |
| 254 | struct device *dev; |
| 255 | struct spmi_device *spmi; |
| 256 | u16 chgr_base; |
| 257 | u16 buck_base; |
| 258 | u16 bat_if_base; |
| 259 | u16 usb_chgpth_base; |
| 260 | u16 dc_chgpth_base; |
| 261 | u16 boost_base; |
| 262 | u16 misc_base; |
| 263 | u16 freq_base; |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 264 | struct qpnp_chg_irq usbin_valid; |
| 265 | struct qpnp_chg_irq dcin_valid; |
| 266 | struct qpnp_chg_irq chg_gone; |
| 267 | struct qpnp_chg_irq chg_fastchg; |
| 268 | struct qpnp_chg_irq chg_trklchg; |
| 269 | struct qpnp_chg_irq chg_failed; |
| 270 | struct qpnp_chg_irq chg_vbatdet_lo; |
| 271 | struct qpnp_chg_irq batt_pres; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 272 | bool bat_is_cool; |
| 273 | bool bat_is_warm; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 274 | bool chg_done; |
| 275 | bool usb_present; |
| 276 | bool dc_present; |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 277 | bool batt_present; |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 278 | bool charging_disabled; |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 279 | bool use_default_batt_values; |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 280 | bool duty_cycle_100p; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 281 | unsigned int bpd_detection; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 282 | unsigned int max_bat_chg_current; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 283 | unsigned int warm_bat_chg_ma; |
| 284 | unsigned int cool_bat_chg_ma; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 285 | unsigned int safe_voltage_mv; |
| 286 | unsigned int max_voltage_mv; |
| 287 | unsigned int min_voltage_mv; |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 288 | int set_vddmax_mv; |
| 289 | int delta_vddmax_mv; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 290 | unsigned int warm_bat_mv; |
| 291 | unsigned int cool_bat_mv; |
| 292 | unsigned int resume_delta_mv; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 293 | int term_current; |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 294 | unsigned int maxinput_usb_ma; |
| 295 | unsigned int maxinput_dc_ma; |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 296 | unsigned int warm_bat_decidegc; |
| 297 | unsigned int cool_bat_decidegc; |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 298 | unsigned int safe_current; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 299 | unsigned int revision; |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 300 | unsigned int type; |
| 301 | unsigned int tchg_mins; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 302 | unsigned int thermal_levels; |
| 303 | unsigned int therm_lvl_sel; |
| 304 | unsigned int *thermal_mitigation; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 305 | struct power_supply dc_psy; |
| 306 | struct power_supply *usb_psy; |
| 307 | struct power_supply *bms_psy; |
| 308 | struct power_supply batt_psy; |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 309 | uint32_t flags; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 310 | struct qpnp_adc_tm_btm_param adc_param; |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 311 | struct work_struct adc_measure_work; |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 312 | struct delayed_work arb_stop_work; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 313 | struct delayed_work eoc_work; |
| 314 | struct wake_lock eoc_wake_lock; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 315 | struct qpnp_chg_regulator otg_vreg; |
| 316 | struct qpnp_chg_regulator boost_vreg; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 317 | }; |
| 318 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 319 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 320 | static struct of_device_id qpnp_charger_match_table[] = { |
| 321 | { .compatible = QPNP_CHARGER_DEV_NAME, }, |
| 322 | {} |
| 323 | }; |
| 324 | |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 325 | enum bpd_type { |
| 326 | BPD_TYPE_BAT_ID, |
| 327 | BPD_TYPE_BAT_THM, |
| 328 | BPD_TYPE_BAT_THM_BAT_ID, |
| 329 | }; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 330 | |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 331 | static const char * const bpd_label[] = { |
| 332 | [BPD_TYPE_BAT_ID] = "bpd_id", |
| 333 | [BPD_TYPE_BAT_THM] = "bpd_thm", |
| 334 | [BPD_TYPE_BAT_THM_BAT_ID] = "bpd_thm_id", |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 335 | }; |
| 336 | |
| 337 | static inline int |
| 338 | get_bpd(const char *name) |
| 339 | { |
| 340 | int i = 0; |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 341 | for (i = 0; i < ARRAY_SIZE(bpd_label); i++) { |
| 342 | if (strcmp(bpd_label[i], name) == 0) |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 343 | return i; |
| 344 | } |
| 345 | return -EINVAL; |
| 346 | } |
| 347 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 348 | static int |
| 349 | qpnp_chg_read(struct qpnp_chg_chip *chip, u8 *val, |
| 350 | u16 base, int count) |
| 351 | { |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 352 | int rc = 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 353 | struct spmi_device *spmi = chip->spmi; |
| 354 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 355 | if (base == 0) { |
| 356 | pr_err("base cannot be zero base=0x%02x sid=0x%02x rc=%d\n", |
| 357 | base, spmi->sid, rc); |
| 358 | return -EINVAL; |
| 359 | } |
| 360 | |
| 361 | rc = spmi_ext_register_readl(spmi->ctrl, spmi->sid, base, val, count); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 362 | if (rc) { |
| 363 | pr_err("SPMI read failed base=0x%02x sid=0x%02x rc=%d\n", base, |
| 364 | spmi->sid, rc); |
| 365 | return rc; |
| 366 | } |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | static int |
| 371 | qpnp_chg_write(struct qpnp_chg_chip *chip, u8 *val, |
| 372 | u16 base, int count) |
| 373 | { |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 374 | int rc = 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 375 | struct spmi_device *spmi = chip->spmi; |
| 376 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 377 | if (base == 0) { |
| 378 | pr_err("base cannot be zero base=0x%02x sid=0x%02x rc=%d\n", |
| 379 | base, spmi->sid, rc); |
| 380 | return -EINVAL; |
| 381 | } |
| 382 | |
| 383 | rc = spmi_ext_register_writel(spmi->ctrl, spmi->sid, base, val, count); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 384 | if (rc) { |
| 385 | pr_err("write failed base=0x%02x sid=0x%02x rc=%d\n", |
| 386 | base, spmi->sid, rc); |
| 387 | return rc; |
| 388 | } |
| 389 | |
| 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | static int |
| 394 | qpnp_chg_masked_write(struct qpnp_chg_chip *chip, u16 base, |
| 395 | u8 mask, u8 val, int count) |
| 396 | { |
| 397 | int rc; |
| 398 | u8 reg; |
| 399 | |
| 400 | rc = qpnp_chg_read(chip, ®, base, count); |
| 401 | if (rc) { |
| 402 | pr_err("spmi read failed: addr=%03X, rc=%d\n", base, rc); |
| 403 | return rc; |
| 404 | } |
| 405 | pr_debug("addr = 0x%x read 0x%x\n", base, reg); |
| 406 | |
| 407 | reg &= ~mask; |
| 408 | reg |= val & mask; |
| 409 | |
| 410 | pr_debug("Writing 0x%x\n", reg); |
| 411 | |
| 412 | rc = qpnp_chg_write(chip, ®, base, count); |
| 413 | if (rc) { |
| 414 | pr_err("spmi write failed: addr=%03X, rc=%d\n", base, rc); |
| 415 | return rc; |
| 416 | } |
| 417 | |
| 418 | return 0; |
| 419 | } |
| 420 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 421 | static void |
| 422 | qpnp_chg_enable_irq(struct qpnp_chg_irq *irq) |
| 423 | { |
| 424 | if (__test_and_clear_bit(0, &irq->disabled)) { |
| 425 | pr_debug("number = %d\n", irq->irq); |
| 426 | enable_irq(irq->irq); |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | static void |
| 431 | qpnp_chg_disable_irq(struct qpnp_chg_irq *irq) |
| 432 | { |
| 433 | if (!__test_and_set_bit(0, &irq->disabled)) { |
| 434 | pr_debug("number = %d\n", irq->irq); |
| 435 | disable_irq_nosync(irq->irq); |
| 436 | } |
| 437 | } |
| 438 | |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 439 | #define USB_OTG_EN_BIT BIT(0) |
| 440 | static int |
| 441 | qpnp_chg_is_otg_en_set(struct qpnp_chg_chip *chip) |
| 442 | { |
| 443 | u8 usb_otg_en; |
| 444 | int rc; |
| 445 | |
| 446 | rc = qpnp_chg_read(chip, &usb_otg_en, |
| 447 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 448 | 1); |
| 449 | |
| 450 | if (rc) { |
| 451 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 452 | chip->usb_chgpth_base + CHGR_STATUS, rc); |
| 453 | return rc; |
| 454 | } |
| 455 | pr_debug("usb otg en 0x%x\n", usb_otg_en); |
| 456 | |
| 457 | return (usb_otg_en & USB_OTG_EN_BIT) ? 1 : 0; |
| 458 | } |
| 459 | |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 460 | static int |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 461 | qpnp_chg_is_boost_en_set(struct qpnp_chg_chip *chip) |
| 462 | { |
| 463 | u8 boost_en_ctl; |
| 464 | int rc; |
| 465 | |
| 466 | rc = qpnp_chg_read(chip, &boost_en_ctl, |
| 467 | chip->boost_base + BOOST_ENABLE_CONTROL, 1); |
| 468 | if (rc) { |
| 469 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 470 | chip->boost_base + BOOST_ENABLE_CONTROL, rc); |
| 471 | return rc; |
| 472 | } |
| 473 | |
| 474 | pr_debug("boost en 0x%x\n", boost_en_ctl); |
| 475 | |
| 476 | return (boost_en_ctl & BOOST_PWR_EN) ? 1 : 0; |
| 477 | } |
| 478 | |
| 479 | static int |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 480 | qpnp_chg_is_batt_present(struct qpnp_chg_chip *chip) |
| 481 | { |
| 482 | u8 batt_pres_rt_sts; |
| 483 | int rc; |
| 484 | |
| 485 | rc = qpnp_chg_read(chip, &batt_pres_rt_sts, |
| 486 | INT_RT_STS(chip->bat_if_base), 1); |
| 487 | if (rc) { |
| 488 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 489 | INT_RT_STS(chip->bat_if_base), rc); |
| 490 | return rc; |
| 491 | } |
| 492 | |
| 493 | return (batt_pres_rt_sts & BATT_PRES_IRQ) ? 1 : 0; |
| 494 | } |
| 495 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 496 | #define USB_VALID_BIT BIT(7) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 497 | static int |
| 498 | qpnp_chg_is_usb_chg_plugged_in(struct qpnp_chg_chip *chip) |
| 499 | { |
| 500 | u8 usbin_valid_rt_sts; |
| 501 | int rc; |
| 502 | |
| 503 | rc = qpnp_chg_read(chip, &usbin_valid_rt_sts, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 504 | chip->usb_chgpth_base + CHGR_STATUS , 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 505 | |
| 506 | if (rc) { |
| 507 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 508 | chip->usb_chgpth_base + CHGR_STATUS, rc); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 509 | return rc; |
| 510 | } |
| 511 | pr_debug("chgr usb sts 0x%x\n", usbin_valid_rt_sts); |
| 512 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 513 | return (usbin_valid_rt_sts & USB_VALID_BIT) ? 1 : 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 514 | } |
| 515 | |
| 516 | static int |
| 517 | qpnp_chg_is_dc_chg_plugged_in(struct qpnp_chg_chip *chip) |
| 518 | { |
| 519 | u8 dcin_valid_rt_sts; |
| 520 | int rc; |
| 521 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 522 | if (!chip->dc_chgpth_base) |
| 523 | return 0; |
| 524 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 525 | rc = qpnp_chg_read(chip, &dcin_valid_rt_sts, |
| 526 | INT_RT_STS(chip->dc_chgpth_base), 1); |
| 527 | if (rc) { |
| 528 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 529 | INT_RT_STS(chip->dc_chgpth_base), rc); |
| 530 | return rc; |
| 531 | } |
| 532 | |
| 533 | return (dcin_valid_rt_sts & DCIN_VALID_IRQ) ? 1 : 0; |
| 534 | } |
| 535 | |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 536 | #define QPNP_CHG_I_MAX_MIN_100 100 |
| 537 | #define QPNP_CHG_I_MAX_MIN_150 150 |
| 538 | #define QPNP_CHG_I_MAX_MIN_MA 200 |
| 539 | #define QPNP_CHG_I_MAX_MAX_MA 2500 |
| 540 | #define QPNP_CHG_I_MAXSTEP_MA 100 |
| 541 | static int |
| 542 | qpnp_chg_idcmax_set(struct qpnp_chg_chip *chip, int mA) |
| 543 | { |
| 544 | int rc = 0; |
| 545 | u8 dc = 0; |
| 546 | |
| 547 | if (mA < QPNP_CHG_I_MAX_MIN_100 |
| 548 | || mA > QPNP_CHG_I_MAX_MAX_MA) { |
| 549 | pr_err("bad mA=%d asked to set\n", mA); |
| 550 | return -EINVAL; |
| 551 | } |
| 552 | |
| 553 | if (mA == QPNP_CHG_I_MAX_MIN_100) { |
| 554 | dc = 0x00; |
| 555 | pr_debug("current=%d setting %02x\n", mA, dc); |
| 556 | return qpnp_chg_write(chip, &dc, |
| 557 | chip->dc_chgpth_base + CHGR_I_MAX_REG, 1); |
| 558 | } else if (mA == QPNP_CHG_I_MAX_MIN_150) { |
| 559 | dc = 0x01; |
| 560 | pr_debug("current=%d setting %02x\n", mA, dc); |
| 561 | return qpnp_chg_write(chip, &dc, |
| 562 | chip->dc_chgpth_base + CHGR_I_MAX_REG, 1); |
| 563 | } |
| 564 | |
| 565 | dc = mA / QPNP_CHG_I_MAXSTEP_MA; |
| 566 | |
| 567 | pr_debug("current=%d setting 0x%x\n", mA, dc); |
| 568 | rc = qpnp_chg_write(chip, &dc, |
| 569 | chip->dc_chgpth_base + CHGR_I_MAX_REG, 1); |
| 570 | |
| 571 | return rc; |
| 572 | } |
| 573 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 574 | static int |
| 575 | qpnp_chg_iusbmax_set(struct qpnp_chg_chip *chip, int mA) |
| 576 | { |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 577 | int rc = 0; |
| 578 | u8 usb_reg = 0, temp = 8; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 579 | |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 580 | if (mA < QPNP_CHG_I_MAX_MIN_100 |
| 581 | || mA > QPNP_CHG_I_MAX_MAX_MA) { |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 582 | pr_err("bad mA=%d asked to set\n", mA); |
| 583 | return -EINVAL; |
| 584 | } |
| 585 | |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 586 | if (mA == QPNP_CHG_I_MAX_MIN_100) { |
| 587 | usb_reg = 0x00; |
| 588 | pr_debug("current=%d setting %02x\n", mA, usb_reg); |
| 589 | return qpnp_chg_write(chip, &usb_reg, |
| 590 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
| 591 | } else if (mA == QPNP_CHG_I_MAX_MIN_150) { |
| 592 | usb_reg = 0x01; |
| 593 | pr_debug("current=%d setting %02x\n", mA, usb_reg); |
| 594 | return qpnp_chg_write(chip, &usb_reg, |
| 595 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
| 596 | } |
| 597 | |
| 598 | /* Impose input current limit */ |
| 599 | if (chip->maxinput_usb_ma) |
| 600 | mA = (chip->maxinput_usb_ma) <= mA ? chip->maxinput_usb_ma : mA; |
| 601 | |
| 602 | usb_reg = mA / QPNP_CHG_I_MAXSTEP_MA; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 603 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 604 | if (chip->flags & CHG_FLAGS_VCP_WA) { |
| 605 | temp = 0xA5; |
| 606 | rc = qpnp_chg_write(chip, &temp, |
| 607 | chip->buck_base + SEC_ACCESS, 1); |
| 608 | rc = qpnp_chg_masked_write(chip, |
| 609 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_3, |
| 610 | 0x0C, 0x0C, 1); |
| 611 | } |
| 612 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 613 | pr_debug("current=%d setting 0x%x\n", mA, usb_reg); |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 614 | rc = qpnp_chg_write(chip, &usb_reg, |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 615 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 616 | |
| 617 | if (chip->flags & CHG_FLAGS_VCP_WA) { |
| 618 | temp = 0xA5; |
| 619 | udelay(200); |
| 620 | rc = qpnp_chg_write(chip, &temp, |
| 621 | chip->buck_base + SEC_ACCESS, 1); |
| 622 | rc = qpnp_chg_masked_write(chip, |
| 623 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_3, |
| 624 | 0x0C, 0x00, 1); |
| 625 | } |
| 626 | |
| 627 | return rc; |
| 628 | } |
| 629 | |
| 630 | #define USB_SUSPEND_BIT BIT(0) |
| 631 | static int |
| 632 | qpnp_chg_usb_suspend_enable(struct qpnp_chg_chip *chip, int enable) |
| 633 | { |
| 634 | return qpnp_chg_masked_write(chip, |
| 635 | chip->usb_chgpth_base + CHGR_USB_USB_SUSP, |
| 636 | USB_SUSPEND_BIT, |
| 637 | enable ? USB_SUSPEND_BIT : 0, 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 638 | } |
| 639 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 640 | static int |
| 641 | qpnp_chg_charge_en(struct qpnp_chg_chip *chip, int enable) |
| 642 | { |
| 643 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL, |
| 644 | CHGR_CHG_EN, |
| 645 | enable ? CHGR_CHG_EN : 0, 1); |
| 646 | } |
| 647 | |
| 648 | static int |
| 649 | qpnp_chg_force_run_on_batt(struct qpnp_chg_chip *chip, int disable) |
| 650 | { |
| 651 | /* Don't run on battery for batteryless hardware */ |
| 652 | if (chip->use_default_batt_values) |
| 653 | return 0; |
David Keitel | 4d66ea0 | 2013-04-30 10:57:58 -0700 | [diff] [blame] | 654 | /* Don't force on battery if battery is not present */ |
| 655 | if (!qpnp_chg_is_batt_present(chip)) |
| 656 | return 0; |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 657 | |
| 658 | /* This bit forces the charger to run off of the battery rather |
| 659 | * than a connected charger */ |
| 660 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL, |
| 661 | CHGR_ON_BAT_FORCE_BIT, |
| 662 | disable ? CHGR_ON_BAT_FORCE_BIT : 0, 1); |
| 663 | } |
| 664 | |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 665 | #define BUCK_DUTY_MASK_100P 0x30 |
| 666 | static int |
| 667 | qpnp_buck_set_100_duty_cycle_enable(struct qpnp_chg_chip *chip, int enable) |
| 668 | { |
| 669 | int rc; |
| 670 | |
| 671 | pr_debug("enable: %d\n", enable); |
| 672 | |
| 673 | rc = qpnp_chg_masked_write(chip, |
| 674 | chip->buck_base + SEC_ACCESS, 0xA5, 0xA5, 1); |
| 675 | if (rc) { |
| 676 | pr_debug("failed to write sec access rc=%d\n", rc); |
| 677 | return rc; |
| 678 | } |
| 679 | |
| 680 | rc = qpnp_chg_masked_write(chip, |
| 681 | chip->buck_base + BUCK_TEST_SMBC_MODES, |
| 682 | BUCK_DUTY_MASK_100P, enable ? 0x00 : 0x10, 1); |
| 683 | if (rc) { |
| 684 | pr_debug("failed enable 100p duty cycle rc=%d\n", rc); |
| 685 | return rc; |
| 686 | } |
| 687 | |
| 688 | return rc; |
| 689 | } |
| 690 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 691 | #define COMPATATOR_OVERRIDE_0 0x80 |
| 692 | static int |
| 693 | qpnp_chg_toggle_chg_done_logic(struct qpnp_chg_chip *chip, int enable) |
| 694 | { |
| 695 | int rc; |
| 696 | |
| 697 | pr_debug("toggle: %d\n", enable); |
| 698 | |
| 699 | rc = qpnp_chg_masked_write(chip, |
| 700 | chip->buck_base + SEC_ACCESS, 0xA5, 0xA5, 1); |
| 701 | if (rc) { |
| 702 | pr_debug("failed to write sec access rc=%d\n", rc); |
| 703 | return rc; |
| 704 | } |
| 705 | |
| 706 | rc = qpnp_chg_masked_write(chip, |
| 707 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_1, |
| 708 | 0xC0, enable ? 0x00 : COMPATATOR_OVERRIDE_0, 1); |
| 709 | if (rc) { |
| 710 | pr_debug("failed to toggle chg done override rc=%d\n", rc); |
| 711 | return rc; |
| 712 | } |
| 713 | |
| 714 | return rc; |
| 715 | } |
| 716 | |
| 717 | #define QPNP_CHG_VBATDET_MIN_MV 3240 |
| 718 | #define QPNP_CHG_VBATDET_MAX_MV 5780 |
| 719 | #define QPNP_CHG_VBATDET_STEP_MV 20 |
| 720 | static int |
| 721 | qpnp_chg_vbatdet_set(struct qpnp_chg_chip *chip, int vbatdet_mv) |
| 722 | { |
| 723 | u8 temp; |
| 724 | |
| 725 | if (vbatdet_mv < QPNP_CHG_VBATDET_MIN_MV |
| 726 | || vbatdet_mv > QPNP_CHG_VBATDET_MAX_MV) { |
| 727 | pr_err("bad mV=%d asked to set\n", vbatdet_mv); |
| 728 | return -EINVAL; |
| 729 | } |
| 730 | temp = (vbatdet_mv - QPNP_CHG_VBATDET_MIN_MV) |
| 731 | / QPNP_CHG_VBATDET_STEP_MV; |
| 732 | |
| 733 | pr_debug("voltage=%d setting %02x\n", vbatdet_mv, temp); |
| 734 | return qpnp_chg_write(chip, &temp, |
| 735 | chip->chgr_base + CHGR_VBAT_DET, 1); |
| 736 | } |
| 737 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 738 | static void |
| 739 | qpnp_arb_stop_work(struct work_struct *work) |
| 740 | { |
| 741 | struct delayed_work *dwork = to_delayed_work(work); |
| 742 | struct qpnp_chg_chip *chip = container_of(dwork, |
| 743 | struct qpnp_chg_chip, arb_stop_work); |
| 744 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 745 | if (!chip->chg_done) |
| 746 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 747 | qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
| 748 | } |
| 749 | |
| 750 | static void |
| 751 | qpnp_bat_if_adc_measure_work(struct work_struct *work) |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 752 | { |
| 753 | struct qpnp_chg_chip *chip = container_of(work, |
| 754 | struct qpnp_chg_chip, adc_measure_work); |
| 755 | |
| 756 | if (qpnp_adc_tm_channel_measure(&chip->adc_param)) |
| 757 | pr_err("request ADC error\n"); |
| 758 | } |
| 759 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 760 | #define EOC_CHECK_PERIOD_MS 10000 |
| 761 | static irqreturn_t |
| 762 | qpnp_chg_vbatdet_lo_irq_handler(int irq, void *_chip) |
| 763 | { |
| 764 | struct qpnp_chg_chip *chip = _chip; |
| 765 | u8 chg_sts = 0; |
| 766 | int rc; |
| 767 | |
| 768 | pr_debug("vbatdet-lo triggered\n"); |
| 769 | |
| 770 | rc = qpnp_chg_read(chip, &chg_sts, INT_RT_STS(chip->chgr_base), 1); |
| 771 | if (rc) |
| 772 | pr_err("failed to read chg_sts rc=%d\n", rc); |
| 773 | |
| 774 | pr_debug("chg_done chg_sts: 0x%x triggered\n", chg_sts); |
| 775 | if (!chip->charging_disabled && (chg_sts & FAST_CHG_ON_IRQ)) { |
| 776 | schedule_delayed_work(&chip->eoc_work, |
| 777 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
| 778 | wake_lock(&chip->eoc_wake_lock); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 779 | qpnp_chg_disable_irq(&chip->chg_vbatdet_lo); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 780 | } else { |
| 781 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 782 | } |
| 783 | |
| 784 | power_supply_changed(chip->usb_psy); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 785 | if (chip->dc_chgpth_base) |
| 786 | power_supply_changed(&chip->dc_psy); |
| 787 | if (chip->bat_if_base) |
| 788 | power_supply_changed(&chip->batt_psy); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 789 | return IRQ_HANDLED; |
| 790 | } |
| 791 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 792 | #define ARB_STOP_WORK_MS 1000 |
| 793 | static irqreturn_t |
| 794 | qpnp_chg_usb_chg_gone_irq_handler(int irq, void *_chip) |
| 795 | { |
| 796 | struct qpnp_chg_chip *chip = _chip; |
| 797 | |
| 798 | pr_debug("chg_gone triggered\n"); |
| 799 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) { |
| 800 | qpnp_chg_charge_en(chip, 0); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 801 | qpnp_chg_force_run_on_batt(chip, 1); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 802 | schedule_delayed_work(&chip->arb_stop_work, |
| 803 | msecs_to_jiffies(ARB_STOP_WORK_MS)); |
| 804 | } |
| 805 | |
| 806 | return IRQ_HANDLED; |
| 807 | } |
| 808 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 809 | #define ENUM_T_STOP_BIT BIT(0) |
| 810 | static irqreturn_t |
| 811 | qpnp_chg_usb_usbin_valid_irq_handler(int irq, void *_chip) |
| 812 | { |
| 813 | struct qpnp_chg_chip *chip = _chip; |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 814 | int usb_present, host_mode; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 815 | |
| 816 | usb_present = qpnp_chg_is_usb_chg_plugged_in(chip); |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 817 | host_mode = qpnp_chg_is_otg_en_set(chip); |
| 818 | pr_debug("usbin-valid triggered: %d host_mode: %d\n", |
| 819 | usb_present, host_mode); |
| 820 | |
| 821 | /* In host mode notifications cmoe from USB supply */ |
| 822 | if (host_mode) |
| 823 | return IRQ_HANDLED; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 824 | |
| 825 | if (chip->usb_present ^ usb_present) { |
| 826 | chip->usb_present = usb_present; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 827 | if (!usb_present) { |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 828 | qpnp_chg_usb_suspend_enable(chip, 1); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 829 | chip->chg_done = false; |
| 830 | } else { |
| 831 | schedule_delayed_work(&chip->eoc_work, |
| 832 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
| 833 | } |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 834 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 835 | power_supply_set_present(chip->usb_psy, chip->usb_present); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 836 | } |
| 837 | |
| 838 | return IRQ_HANDLED; |
| 839 | } |
| 840 | |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 841 | static irqreturn_t |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 842 | qpnp_chg_bat_if_batt_pres_irq_handler(int irq, void *_chip) |
| 843 | { |
| 844 | struct qpnp_chg_chip *chip = _chip; |
| 845 | int batt_present; |
| 846 | |
| 847 | batt_present = qpnp_chg_is_batt_present(chip); |
| 848 | pr_debug("batt-pres triggered: %d\n", batt_present); |
| 849 | |
| 850 | if (chip->batt_present ^ batt_present) { |
| 851 | chip->batt_present = batt_present; |
| 852 | power_supply_changed(&chip->batt_psy); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 853 | power_supply_changed(chip->usb_psy); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 854 | |
| 855 | if (chip->cool_bat_decidegc && chip->warm_bat_decidegc |
| 856 | && batt_present) { |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 857 | schedule_work(&chip->adc_measure_work); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 858 | } |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | return IRQ_HANDLED; |
| 862 | } |
| 863 | |
| 864 | static irqreturn_t |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 865 | qpnp_chg_dc_dcin_valid_irq_handler(int irq, void *_chip) |
| 866 | { |
| 867 | struct qpnp_chg_chip *chip = _chip; |
| 868 | int dc_present; |
| 869 | |
| 870 | dc_present = qpnp_chg_is_dc_chg_plugged_in(chip); |
| 871 | pr_debug("dcin-valid triggered: %d\n", dc_present); |
| 872 | |
| 873 | if (chip->dc_present ^ dc_present) { |
| 874 | chip->dc_present = dc_present; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 875 | if (!dc_present) |
| 876 | chip->chg_done = false; |
| 877 | else |
| 878 | schedule_delayed_work(&chip->eoc_work, |
| 879 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 880 | power_supply_changed(&chip->dc_psy); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 881 | power_supply_changed(&chip->batt_psy); |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | return IRQ_HANDLED; |
| 885 | } |
| 886 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 887 | #define CHGR_CHG_FAILED_BIT BIT(7) |
| 888 | static irqreturn_t |
| 889 | qpnp_chg_chgr_chg_failed_irq_handler(int irq, void *_chip) |
| 890 | { |
| 891 | struct qpnp_chg_chip *chip = _chip; |
David Keitel | 4429b1f | 2012-10-18 10:42:50 -0700 | [diff] [blame] | 892 | int rc; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 893 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 894 | pr_debug("chg_failed triggered\n"); |
| 895 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 896 | rc = qpnp_chg_masked_write(chip, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 897 | chip->chgr_base + CHGR_CHG_FAILED, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 898 | CHGR_CHG_FAILED_BIT, |
| 899 | CHGR_CHG_FAILED_BIT, 1); |
| 900 | if (rc) |
| 901 | pr_err("Failed to write chg_fail clear bit!\n"); |
| 902 | |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 903 | if (chip->bat_if_base) |
| 904 | power_supply_changed(&chip->batt_psy); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 905 | power_supply_changed(chip->usb_psy); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 906 | if (chip->dc_chgpth_base) |
| 907 | power_supply_changed(&chip->dc_psy); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 908 | return IRQ_HANDLED; |
| 909 | } |
| 910 | |
| 911 | static irqreturn_t |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 912 | qpnp_chg_chgr_chg_trklchg_irq_handler(int irq, void *_chip) |
| 913 | { |
| 914 | struct qpnp_chg_chip *chip = _chip; |
| 915 | |
| 916 | pr_debug("TRKL IRQ triggered\n"); |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 917 | |
| 918 | chip->chg_done = false; |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 919 | if (chip->bat_if_base) |
| 920 | power_supply_changed(&chip->batt_psy); |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 921 | |
| 922 | return IRQ_HANDLED; |
| 923 | } |
| 924 | |
| 925 | static irqreturn_t |
| 926 | qpnp_chg_chgr_chg_fastchg_irq_handler(int irq, void *_chip) |
| 927 | { |
| 928 | struct qpnp_chg_chip *chip = _chip; |
| 929 | |
| 930 | pr_debug("FAST_CHG IRQ triggered\n"); |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 931 | chip->chg_done = false; |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 932 | if (chip->bat_if_base) |
| 933 | power_supply_changed(&chip->batt_psy); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 934 | power_supply_changed(chip->usb_psy); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 935 | if (chip->dc_chgpth_base) |
| 936 | power_supply_changed(&chip->dc_psy); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 937 | qpnp_chg_enable_irq(&chip->chg_vbatdet_lo); |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 938 | |
| 939 | return IRQ_HANDLED; |
| 940 | } |
| 941 | |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 942 | static int |
| 943 | qpnp_batt_property_is_writeable(struct power_supply *psy, |
| 944 | enum power_supply_property psp) |
| 945 | { |
| 946 | switch (psp) { |
| 947 | case POWER_SUPPLY_PROP_CHARGING_ENABLED: |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 948 | case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL: |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 949 | return 1; |
| 950 | default: |
| 951 | break; |
| 952 | } |
| 953 | |
| 954 | return 0; |
| 955 | } |
| 956 | |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 957 | static int |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 958 | qpnp_chg_buck_control(struct qpnp_chg_chip *chip, int enable) |
| 959 | { |
| 960 | int rc; |
| 961 | |
| 962 | if (chip->charging_disabled && enable) { |
| 963 | pr_debug("Charging disabled\n"); |
| 964 | return 0; |
| 965 | } |
| 966 | |
| 967 | rc = qpnp_chg_charge_en(chip, enable); |
| 968 | if (rc) { |
| 969 | pr_err("Failed to control charging %d\n", rc); |
| 970 | return rc; |
| 971 | } |
| 972 | |
| 973 | rc = qpnp_chg_force_run_on_batt(chip, !enable); |
| 974 | if (rc) |
| 975 | pr_err("Failed to control charging %d\n", rc); |
| 976 | |
| 977 | return rc; |
| 978 | } |
| 979 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 980 | static int |
| 981 | switch_usb_to_charge_mode(struct qpnp_chg_chip *chip) |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 982 | { |
| 983 | int rc; |
| 984 | |
| 985 | pr_debug("switch to charge mode\n"); |
| 986 | if (!qpnp_chg_is_otg_en_set(chip)) |
| 987 | return 0; |
| 988 | |
| 989 | /* enable usb ovp fet */ |
| 990 | rc = qpnp_chg_masked_write(chip, |
| 991 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 992 | USB_OTG_EN_BIT, |
| 993 | 0, 1); |
| 994 | if (rc) { |
| 995 | pr_err("Failed to turn on usb ovp rc = %d\n", rc); |
| 996 | return rc; |
| 997 | } |
| 998 | |
| 999 | rc = qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
| 1000 | if (rc) { |
| 1001 | pr_err("Failed re-enable charging rc = %d\n", rc); |
| 1002 | return rc; |
| 1003 | } |
| 1004 | |
| 1005 | return 0; |
| 1006 | } |
| 1007 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1008 | static int |
| 1009 | switch_usb_to_host_mode(struct qpnp_chg_chip *chip) |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 1010 | { |
| 1011 | int rc; |
| 1012 | |
| 1013 | pr_debug("switch to host mode\n"); |
| 1014 | if (qpnp_chg_is_otg_en_set(chip)) |
| 1015 | return 0; |
| 1016 | |
| 1017 | rc = qpnp_chg_force_run_on_batt(chip, 1); |
| 1018 | if (rc) { |
| 1019 | pr_err("Failed to disable charging rc = %d\n", rc); |
| 1020 | return rc; |
| 1021 | } |
| 1022 | |
| 1023 | /* force usb ovp fet off */ |
| 1024 | rc = qpnp_chg_masked_write(chip, |
| 1025 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 1026 | USB_OTG_EN_BIT, |
| 1027 | USB_OTG_EN_BIT, 1); |
| 1028 | if (rc) { |
| 1029 | pr_err("Failed to turn off usb ovp rc = %d\n", rc); |
| 1030 | return rc; |
| 1031 | } |
| 1032 | |
| 1033 | return 0; |
| 1034 | } |
| 1035 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1036 | static enum power_supply_property pm_power_props_mains[] = { |
| 1037 | POWER_SUPPLY_PROP_PRESENT, |
| 1038 | POWER_SUPPLY_PROP_ONLINE, |
| 1039 | }; |
| 1040 | |
| 1041 | static enum power_supply_property msm_batt_power_props[] = { |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 1042 | POWER_SUPPLY_PROP_CHARGING_ENABLED, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1043 | POWER_SUPPLY_PROP_STATUS, |
| 1044 | POWER_SUPPLY_PROP_CHARGE_TYPE, |
| 1045 | POWER_SUPPLY_PROP_HEALTH, |
| 1046 | POWER_SUPPLY_PROP_PRESENT, |
| 1047 | POWER_SUPPLY_PROP_TECHNOLOGY, |
| 1048 | POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, |
| 1049 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 1050 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 1051 | POWER_SUPPLY_PROP_CAPACITY, |
| 1052 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 1053 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
| 1054 | POWER_SUPPLY_PROP_TEMP, |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 1055 | POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL, |
Anirudh Ghayal | 9dd582d | 2013-06-07 17:48:58 +0530 | [diff] [blame] | 1056 | POWER_SUPPLY_PROP_CYCLE_COUNT, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1057 | }; |
| 1058 | |
| 1059 | static char *pm_power_supplied_to[] = { |
| 1060 | "battery", |
| 1061 | }; |
| 1062 | |
Xiaozhe Shi | 890fbf4 | 2013-05-02 16:42:53 -0700 | [diff] [blame] | 1063 | static char *pm_batt_supplied_to[] = { |
| 1064 | "bms", |
| 1065 | }; |
| 1066 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1067 | #define USB_WALL_THRESHOLD_MA 500 |
| 1068 | static int |
| 1069 | qpnp_power_get_property_mains(struct power_supply *psy, |
| 1070 | enum power_supply_property psp, |
| 1071 | union power_supply_propval *val) |
| 1072 | { |
| 1073 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 1074 | dc_psy); |
| 1075 | |
| 1076 | switch (psp) { |
| 1077 | case POWER_SUPPLY_PROP_PRESENT: |
| 1078 | case POWER_SUPPLY_PROP_ONLINE: |
| 1079 | val->intval = 0; |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 1080 | if (chip->charging_disabled) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1081 | return 0; |
| 1082 | |
| 1083 | val->intval = qpnp_chg_is_dc_chg_plugged_in(chip); |
| 1084 | break; |
| 1085 | default: |
| 1086 | return -EINVAL; |
| 1087 | } |
| 1088 | return 0; |
| 1089 | } |
| 1090 | |
| 1091 | static int |
| 1092 | get_prop_battery_voltage_now(struct qpnp_chg_chip *chip) |
| 1093 | { |
| 1094 | int rc = 0; |
| 1095 | struct qpnp_vadc_result results; |
| 1096 | |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 1097 | if (chip->revision == 0 && chip->type == SMBB) { |
| 1098 | pr_err("vbat reading not supported for 1.0 rc=%d\n", rc); |
| 1099 | return 0; |
| 1100 | } else { |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1101 | rc = qpnp_vadc_read(VBAT_SNS, &results); |
| 1102 | if (rc) { |
| 1103 | pr_err("Unable to read vbat rc=%d\n", rc); |
| 1104 | return 0; |
| 1105 | } |
| 1106 | return results.physical; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1107 | } |
| 1108 | } |
| 1109 | |
| 1110 | #define BATT_PRES_BIT BIT(7) |
| 1111 | static int |
| 1112 | get_prop_batt_present(struct qpnp_chg_chip *chip) |
| 1113 | { |
| 1114 | u8 batt_present; |
| 1115 | int rc; |
| 1116 | |
| 1117 | rc = qpnp_chg_read(chip, &batt_present, |
| 1118 | chip->bat_if_base + CHGR_BAT_IF_PRES_STATUS, 1); |
| 1119 | if (rc) { |
| 1120 | pr_err("Couldn't read battery status read failed rc=%d\n", rc); |
| 1121 | return 0; |
| 1122 | }; |
| 1123 | return (batt_present & BATT_PRES_BIT) ? 1 : 0; |
| 1124 | } |
| 1125 | |
| 1126 | #define BATT_TEMP_HOT BIT(6) |
| 1127 | #define BATT_TEMP_OK BIT(7) |
| 1128 | static int |
| 1129 | get_prop_batt_health(struct qpnp_chg_chip *chip) |
| 1130 | { |
| 1131 | u8 batt_health; |
| 1132 | int rc; |
| 1133 | |
| 1134 | rc = qpnp_chg_read(chip, &batt_health, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1135 | chip->bat_if_base + CHGR_STATUS, 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1136 | if (rc) { |
| 1137 | pr_err("Couldn't read battery health read failed rc=%d\n", rc); |
| 1138 | return POWER_SUPPLY_HEALTH_UNKNOWN; |
| 1139 | }; |
| 1140 | |
| 1141 | if (BATT_TEMP_OK & batt_health) |
| 1142 | return POWER_SUPPLY_HEALTH_GOOD; |
| 1143 | if (BATT_TEMP_HOT & batt_health) |
| 1144 | return POWER_SUPPLY_HEALTH_OVERHEAT; |
| 1145 | else |
| 1146 | return POWER_SUPPLY_HEALTH_COLD; |
| 1147 | } |
| 1148 | |
| 1149 | static int |
| 1150 | get_prop_charge_type(struct qpnp_chg_chip *chip) |
| 1151 | { |
| 1152 | int rc; |
| 1153 | u8 chgr_sts; |
| 1154 | |
| 1155 | if (!get_prop_batt_present(chip)) |
| 1156 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 1157 | |
| 1158 | rc = qpnp_chg_read(chip, &chgr_sts, |
| 1159 | INT_RT_STS(chip->chgr_base), 1); |
| 1160 | if (rc) { |
| 1161 | pr_err("failed to read interrupt sts %d\n", rc); |
| 1162 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 1163 | } |
| 1164 | |
| 1165 | if (chgr_sts & TRKL_CHG_ON_IRQ) |
| 1166 | return POWER_SUPPLY_CHARGE_TYPE_TRICKLE; |
| 1167 | if (chgr_sts & FAST_CHG_ON_IRQ) |
| 1168 | return POWER_SUPPLY_CHARGE_TYPE_FAST; |
| 1169 | |
| 1170 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 1171 | } |
| 1172 | |
| 1173 | static int |
| 1174 | get_prop_batt_status(struct qpnp_chg_chip *chip) |
| 1175 | { |
| 1176 | int rc; |
| 1177 | u8 chgr_sts; |
| 1178 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1179 | if ((qpnp_chg_is_usb_chg_plugged_in(chip) || |
| 1180 | qpnp_chg_is_dc_chg_plugged_in(chip)) && chip->chg_done) { |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 1181 | return POWER_SUPPLY_STATUS_FULL; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1182 | } |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 1183 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1184 | rc = qpnp_chg_read(chip, &chgr_sts, INT_RT_STS(chip->chgr_base), 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1185 | if (rc) { |
| 1186 | pr_err("failed to read interrupt sts %d\n", rc); |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 1187 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1188 | } |
| 1189 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1190 | if (chgr_sts & TRKL_CHG_ON_IRQ) |
| 1191 | return POWER_SUPPLY_STATUS_CHARGING; |
| 1192 | if (chgr_sts & FAST_CHG_ON_IRQ) |
| 1193 | return POWER_SUPPLY_STATUS_CHARGING; |
| 1194 | |
| 1195 | return POWER_SUPPLY_STATUS_DISCHARGING; |
| 1196 | } |
| 1197 | |
| 1198 | static int |
| 1199 | get_prop_current_now(struct qpnp_chg_chip *chip) |
| 1200 | { |
| 1201 | union power_supply_propval ret = {0,}; |
| 1202 | |
| 1203 | if (chip->bms_psy) { |
| 1204 | chip->bms_psy->get_property(chip->bms_psy, |
| 1205 | POWER_SUPPLY_PROP_CURRENT_NOW, &ret); |
| 1206 | return ret.intval; |
| 1207 | } else { |
| 1208 | pr_debug("No BMS supply registered return 0\n"); |
| 1209 | } |
| 1210 | |
| 1211 | return 0; |
| 1212 | } |
| 1213 | |
| 1214 | static int |
| 1215 | get_prop_full_design(struct qpnp_chg_chip *chip) |
| 1216 | { |
| 1217 | union power_supply_propval ret = {0,}; |
| 1218 | |
| 1219 | if (chip->bms_psy) { |
| 1220 | chip->bms_psy->get_property(chip->bms_psy, |
| 1221 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, &ret); |
| 1222 | return ret.intval; |
| 1223 | } else { |
| 1224 | pr_debug("No BMS supply registered return 0\n"); |
| 1225 | } |
| 1226 | |
| 1227 | return 0; |
| 1228 | } |
| 1229 | |
| 1230 | #define DEFAULT_CAPACITY 50 |
| 1231 | static int |
| 1232 | get_prop_capacity(struct qpnp_chg_chip *chip) |
| 1233 | { |
| 1234 | union power_supply_propval ret = {0,}; |
| 1235 | |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 1236 | if (chip->use_default_batt_values || !get_prop_batt_present(chip)) |
| 1237 | return DEFAULT_CAPACITY; |
| 1238 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1239 | if (chip->bms_psy) { |
| 1240 | chip->bms_psy->get_property(chip->bms_psy, |
| 1241 | POWER_SUPPLY_PROP_CAPACITY, &ret); |
Abhijeet Dharmapurikar | 53ce35a | 2013-03-29 16:14:16 -0700 | [diff] [blame] | 1242 | if (ret.intval == 0) { |
David Keitel | eeca08f | 2013-05-17 16:40:46 -0700 | [diff] [blame] | 1243 | if (!qpnp_chg_is_usb_chg_plugged_in(chip) |
| 1244 | && !qpnp_chg_is_usb_chg_plugged_in(chip)) |
Abhijeet Dharmapurikar | 53ce35a | 2013-03-29 16:14:16 -0700 | [diff] [blame] | 1245 | pr_warn_ratelimited("Battery 0, CHG absent\n"); |
| 1246 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1247 | return ret.intval; |
| 1248 | } else { |
| 1249 | pr_debug("No BMS supply registered return 50\n"); |
| 1250 | } |
| 1251 | |
| 1252 | /* return default capacity to avoid userspace |
| 1253 | * from shutting down unecessarily */ |
| 1254 | return DEFAULT_CAPACITY; |
| 1255 | } |
| 1256 | |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 1257 | #define DEFAULT_TEMP 250 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1258 | #define MAX_TOLERABLE_BATT_TEMP_DDC 680 |
| 1259 | static int |
| 1260 | get_prop_batt_temp(struct qpnp_chg_chip *chip) |
| 1261 | { |
| 1262 | int rc = 0; |
| 1263 | struct qpnp_vadc_result results; |
| 1264 | |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 1265 | if (chip->use_default_batt_values || !get_prop_batt_present(chip)) |
| 1266 | return DEFAULT_TEMP; |
| 1267 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1268 | if (chip->revision > 0) { |
| 1269 | rc = qpnp_vadc_read(LR_MUX1_BATT_THERM, &results); |
| 1270 | if (rc) { |
| 1271 | pr_debug("Unable to read batt temperature rc=%d\n", rc); |
| 1272 | return 0; |
| 1273 | } |
| 1274 | pr_debug("get_bat_temp %d %lld\n", |
| 1275 | results.adc_code, results.physical); |
| 1276 | return (int)results.physical; |
| 1277 | } else { |
| 1278 | pr_debug("batt temp not supported for PMIC 1.0 rc=%d\n", rc); |
| 1279 | } |
| 1280 | |
| 1281 | /* return default temperature to avoid userspace |
| 1282 | * from shutting down unecessarily */ |
| 1283 | return DEFAULT_TEMP; |
| 1284 | } |
| 1285 | |
Anirudh Ghayal | 9dd582d | 2013-06-07 17:48:58 +0530 | [diff] [blame] | 1286 | static int get_prop_cycle_count(struct qpnp_chg_chip *chip) |
| 1287 | { |
| 1288 | union power_supply_propval ret = {0,}; |
| 1289 | |
| 1290 | if (chip->bms_psy) |
| 1291 | chip->bms_psy->get_property(chip->bms_psy, |
| 1292 | POWER_SUPPLY_PROP_CYCLE_COUNT, &ret); |
| 1293 | return ret.intval; |
| 1294 | } |
| 1295 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1296 | static void |
| 1297 | qpnp_batt_external_power_changed(struct power_supply *psy) |
| 1298 | { |
| 1299 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 1300 | batt_psy); |
| 1301 | union power_supply_propval ret = {0,}; |
| 1302 | |
| 1303 | if (!chip->bms_psy) |
| 1304 | chip->bms_psy = power_supply_get_by_name("bms"); |
| 1305 | |
| 1306 | chip->usb_psy->get_property(chip->usb_psy, |
| 1307 | POWER_SUPPLY_PROP_ONLINE, &ret); |
| 1308 | |
David Keitel | c69f2d6 | 2013-03-17 14:52:35 -0700 | [diff] [blame] | 1309 | /* Only honour requests while USB is present */ |
| 1310 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) { |
David Keitel | 359ab65 | 2013-03-21 17:46:00 -0700 | [diff] [blame] | 1311 | chip->usb_psy->get_property(chip->usb_psy, |
| 1312 | POWER_SUPPLY_PROP_CURRENT_MAX, &ret); |
David Keitel | 8747325 | 2013-03-21 14:39:45 -0700 | [diff] [blame] | 1313 | if (ret.intval <= 2 && !chip->use_default_batt_values && |
| 1314 | get_prop_batt_present(chip)) { |
David Keitel | 359ab65 | 2013-03-21 17:46:00 -0700 | [diff] [blame] | 1315 | qpnp_chg_usb_suspend_enable(chip, 1); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1316 | qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100); |
David Keitel | c69f2d6 | 2013-03-17 14:52:35 -0700 | [diff] [blame] | 1317 | } else { |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1318 | qpnp_chg_usb_suspend_enable(chip, 0); |
David Keitel | 359ab65 | 2013-03-21 17:46:00 -0700 | [diff] [blame] | 1319 | qpnp_chg_iusbmax_set(chip, ret.intval / 1000); |
David Keitel | c69f2d6 | 2013-03-17 14:52:35 -0700 | [diff] [blame] | 1320 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1321 | } |
| 1322 | |
| 1323 | pr_debug("end of power supply changed\n"); |
| 1324 | power_supply_changed(&chip->batt_psy); |
| 1325 | } |
| 1326 | |
| 1327 | static int |
| 1328 | qpnp_batt_power_get_property(struct power_supply *psy, |
| 1329 | enum power_supply_property psp, |
| 1330 | union power_supply_propval *val) |
| 1331 | { |
| 1332 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 1333 | batt_psy); |
| 1334 | |
| 1335 | switch (psp) { |
| 1336 | case POWER_SUPPLY_PROP_STATUS: |
| 1337 | val->intval = get_prop_batt_status(chip); |
| 1338 | break; |
| 1339 | case POWER_SUPPLY_PROP_CHARGE_TYPE: |
| 1340 | val->intval = get_prop_charge_type(chip); |
| 1341 | break; |
| 1342 | case POWER_SUPPLY_PROP_HEALTH: |
| 1343 | val->intval = get_prop_batt_health(chip); |
| 1344 | break; |
| 1345 | case POWER_SUPPLY_PROP_PRESENT: |
| 1346 | val->intval = get_prop_batt_present(chip); |
| 1347 | break; |
| 1348 | case POWER_SUPPLY_PROP_TECHNOLOGY: |
| 1349 | val->intval = POWER_SUPPLY_TECHNOLOGY_LION; |
| 1350 | break; |
| 1351 | case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: |
| 1352 | val->intval = chip->max_voltage_mv * 1000; |
| 1353 | break; |
| 1354 | case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: |
| 1355 | val->intval = chip->min_voltage_mv * 1000; |
| 1356 | break; |
| 1357 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: |
| 1358 | val->intval = get_prop_battery_voltage_now(chip); |
| 1359 | break; |
| 1360 | case POWER_SUPPLY_PROP_TEMP: |
| 1361 | val->intval = get_prop_batt_temp(chip); |
| 1362 | break; |
| 1363 | case POWER_SUPPLY_PROP_CAPACITY: |
| 1364 | val->intval = get_prop_capacity(chip); |
| 1365 | break; |
| 1366 | case POWER_SUPPLY_PROP_CURRENT_NOW: |
| 1367 | val->intval = get_prop_current_now(chip); |
| 1368 | break; |
| 1369 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
| 1370 | val->intval = get_prop_full_design(chip); |
| 1371 | break; |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 1372 | case POWER_SUPPLY_PROP_CHARGING_ENABLED: |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 1373 | val->intval = !(chip->charging_disabled); |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 1374 | break; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 1375 | case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL: |
| 1376 | val->intval = chip->therm_lvl_sel; |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 1377 | break; |
Anirudh Ghayal | 9dd582d | 2013-06-07 17:48:58 +0530 | [diff] [blame] | 1378 | case POWER_SUPPLY_PROP_CYCLE_COUNT: |
| 1379 | val->intval = get_prop_cycle_count(chip); |
| 1380 | break; |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 1381 | default: |
| 1382 | return -EINVAL; |
| 1383 | } |
| 1384 | |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 1385 | return 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1386 | } |
| 1387 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1388 | #define QPNP_CHG_VINMIN_MIN_MV 3400 |
| 1389 | #define QPNP_CHG_VINMIN_HIGH_MIN_MV 5600 |
| 1390 | #define QPNP_CHG_VINMIN_HIGH_MIN_VAL 0x2B |
| 1391 | #define QPNP_CHG_VINMIN_MAX_MV 9600 |
| 1392 | #define QPNP_CHG_VINMIN_STEP_MV 50 |
| 1393 | #define QPNP_CHG_VINMIN_STEP_HIGH_MV 200 |
| 1394 | #define QPNP_CHG_VINMIN_MASK 0x1F |
| 1395 | static int |
| 1396 | qpnp_chg_vinmin_set(struct qpnp_chg_chip *chip, int voltage) |
| 1397 | { |
| 1398 | u8 temp; |
| 1399 | |
| 1400 | if (voltage < QPNP_CHG_VINMIN_MIN_MV |
| 1401 | || voltage > QPNP_CHG_VINMIN_MAX_MV) { |
| 1402 | pr_err("bad mV=%d asked to set\n", voltage); |
| 1403 | return -EINVAL; |
| 1404 | } |
| 1405 | if (voltage >= QPNP_CHG_VINMIN_HIGH_MIN_MV) { |
| 1406 | temp = QPNP_CHG_VINMIN_HIGH_MIN_VAL; |
| 1407 | temp += (voltage - QPNP_CHG_VINMIN_MIN_MV) |
| 1408 | / QPNP_CHG_VINMIN_STEP_HIGH_MV; |
| 1409 | } else { |
| 1410 | temp = (voltage - QPNP_CHG_VINMIN_MIN_MV) |
| 1411 | / QPNP_CHG_VINMIN_STEP_MV; |
| 1412 | } |
| 1413 | |
| 1414 | pr_debug("voltage=%d setting %02x\n", voltage, temp); |
| 1415 | return qpnp_chg_masked_write(chip, |
| 1416 | chip->chgr_base + CHGR_VIN_MIN, |
| 1417 | QPNP_CHG_VINMIN_MASK, temp, 1); |
| 1418 | } |
| 1419 | |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 1420 | #define QPNP_CHG_IBATSAFE_MIN_MA 100 |
| 1421 | #define QPNP_CHG_IBATSAFE_MAX_MA 3250 |
| 1422 | #define QPNP_CHG_I_STEP_MA 50 |
| 1423 | #define QPNP_CHG_I_MIN_MA 100 |
| 1424 | #define QPNP_CHG_I_MASK 0x3F |
| 1425 | static int |
| 1426 | qpnp_chg_ibatsafe_set(struct qpnp_chg_chip *chip, int safe_current) |
| 1427 | { |
| 1428 | u8 temp; |
| 1429 | |
| 1430 | if (safe_current < QPNP_CHG_IBATSAFE_MIN_MA |
| 1431 | || safe_current > QPNP_CHG_IBATSAFE_MAX_MA) { |
| 1432 | pr_err("bad mA=%d asked to set\n", safe_current); |
| 1433 | return -EINVAL; |
| 1434 | } |
| 1435 | |
| 1436 | temp = (safe_current - QPNP_CHG_IBATSAFE_MIN_MA) |
| 1437 | / QPNP_CHG_I_STEP_MA; |
| 1438 | return qpnp_chg_masked_write(chip, |
| 1439 | chip->chgr_base + CHGR_IBAT_SAFE, |
| 1440 | QPNP_CHG_I_MASK, temp, 1); |
| 1441 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1442 | |
| 1443 | #define QPNP_CHG_ITERM_MIN_MA 100 |
| 1444 | #define QPNP_CHG_ITERM_MAX_MA 250 |
| 1445 | #define QPNP_CHG_ITERM_STEP_MA 50 |
| 1446 | #define QPNP_CHG_ITERM_MASK 0x03 |
| 1447 | static int |
| 1448 | qpnp_chg_ibatterm_set(struct qpnp_chg_chip *chip, int term_current) |
| 1449 | { |
| 1450 | u8 temp; |
| 1451 | |
| 1452 | if (term_current < QPNP_CHG_ITERM_MIN_MA |
| 1453 | || term_current > QPNP_CHG_ITERM_MAX_MA) { |
| 1454 | pr_err("bad mA=%d asked to set\n", term_current); |
| 1455 | return -EINVAL; |
| 1456 | } |
| 1457 | |
| 1458 | temp = (term_current - QPNP_CHG_ITERM_MIN_MA) |
| 1459 | / QPNP_CHG_ITERM_STEP_MA; |
| 1460 | return qpnp_chg_masked_write(chip, |
| 1461 | chip->chgr_base + CHGR_IBAT_TERM_CHGR, |
| 1462 | QPNP_CHG_ITERM_MASK, temp, 1); |
| 1463 | } |
| 1464 | |
David Keitel | ff5d047 | 2013-04-04 11:36:06 -0700 | [diff] [blame] | 1465 | #define QPNP_CHG_IBATMAX_MIN 50 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1466 | #define QPNP_CHG_IBATMAX_MAX 3250 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1467 | static int |
| 1468 | qpnp_chg_ibatmax_set(struct qpnp_chg_chip *chip, int chg_current) |
| 1469 | { |
| 1470 | u8 temp; |
| 1471 | |
| 1472 | if (chg_current < QPNP_CHG_IBATMAX_MIN |
| 1473 | || chg_current > QPNP_CHG_IBATMAX_MAX) { |
| 1474 | pr_err("bad mA=%d asked to set\n", chg_current); |
| 1475 | return -EINVAL; |
| 1476 | } |
David Keitel | ff5d047 | 2013-04-04 11:36:06 -0700 | [diff] [blame] | 1477 | temp = chg_current / QPNP_CHG_I_STEP_MA; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1478 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_IBAT_MAX, |
| 1479 | QPNP_CHG_I_MASK, temp, 1); |
| 1480 | } |
| 1481 | |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 1482 | #define QPNP_CHG_TCHG_MASK 0x7F |
| 1483 | #define QPNP_CHG_TCHG_MIN 4 |
| 1484 | #define QPNP_CHG_TCHG_MAX 512 |
| 1485 | #define QPNP_CHG_TCHG_STEP 4 |
| 1486 | static int qpnp_chg_tchg_max_set(struct qpnp_chg_chip *chip, int minutes) |
| 1487 | { |
| 1488 | u8 temp; |
| 1489 | |
| 1490 | if (minutes < QPNP_CHG_TCHG_MIN || minutes > QPNP_CHG_TCHG_MAX) { |
| 1491 | pr_err("bad max minutes =%d asked to set\n", minutes); |
| 1492 | return -EINVAL; |
| 1493 | } |
| 1494 | |
| 1495 | temp = (minutes - 1)/QPNP_CHG_TCHG_STEP; |
| 1496 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_TCHG_MAX, |
David Keitel | a1d1644 | 2013-05-09 14:47:37 -0700 | [diff] [blame] | 1497 | QPNP_CHG_TCHG_MASK, temp, 1); |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 1498 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1499 | |
| 1500 | #define QPNP_CHG_V_MIN_MV 3240 |
| 1501 | #define QPNP_CHG_V_MAX_MV 4500 |
| 1502 | #define QPNP_CHG_V_STEP_MV 10 |
| 1503 | static int |
| 1504 | qpnp_chg_vddsafe_set(struct qpnp_chg_chip *chip, int voltage) |
| 1505 | { |
| 1506 | u8 temp; |
| 1507 | |
| 1508 | if (voltage < QPNP_CHG_V_MIN_MV |
| 1509 | || voltage > QPNP_CHG_V_MAX_MV) { |
| 1510 | pr_err("bad mV=%d asked to set\n", voltage); |
| 1511 | return -EINVAL; |
| 1512 | } |
| 1513 | temp = (voltage - QPNP_CHG_V_MIN_MV) / QPNP_CHG_V_STEP_MV; |
| 1514 | pr_debug("voltage=%d setting %02x\n", voltage, temp); |
| 1515 | return qpnp_chg_write(chip, &temp, |
| 1516 | chip->chgr_base + CHGR_VDD_SAFE, 1); |
| 1517 | } |
| 1518 | |
| 1519 | #define QPNP_CHG_VDDMAX_MIN 3400 |
| 1520 | static int |
| 1521 | qpnp_chg_vddmax_set(struct qpnp_chg_chip *chip, int voltage) |
| 1522 | { |
| 1523 | u8 temp = 0; |
| 1524 | |
| 1525 | if (voltage < QPNP_CHG_VDDMAX_MIN |
| 1526 | || voltage > QPNP_CHG_V_MAX_MV) { |
| 1527 | pr_err("bad mV=%d asked to set\n", voltage); |
| 1528 | return -EINVAL; |
| 1529 | } |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 1530 | chip->set_vddmax_mv = voltage + chip->delta_vddmax_mv; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1531 | |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 1532 | temp = (chip->set_vddmax_mv - QPNP_CHG_V_MIN_MV) / QPNP_CHG_V_STEP_MV; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1533 | |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 1534 | pr_debug("voltage=%d setting %02x\n", chip->set_vddmax_mv, temp); |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1535 | return qpnp_chg_write(chip, &temp, chip->chgr_base + CHGR_VDD_MAX, 1); |
| 1536 | } |
| 1537 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1538 | #define BOOST_MIN_UV 4200000 |
| 1539 | #define BOOST_MAX_UV 5500000 |
| 1540 | #define BOOST_STEP_UV 50000 |
| 1541 | #define BOOST_MIN 16 |
| 1542 | #define N_BOOST_V ((BOOST_MAX_UV - BOOST_MIN_UV) / BOOST_STEP_UV + 1) |
| 1543 | static int |
| 1544 | qpnp_boost_vset(struct qpnp_chg_chip *chip, int voltage) |
| 1545 | { |
| 1546 | u8 reg = 0; |
| 1547 | |
| 1548 | if (voltage < BOOST_MIN_UV || voltage > BOOST_MAX_UV) { |
| 1549 | pr_err("invalid voltage requested %d uV\n", voltage); |
| 1550 | return -EINVAL; |
| 1551 | } |
| 1552 | |
| 1553 | reg = DIV_ROUND_UP(voltage - BOOST_MIN_UV, BOOST_STEP_UV) + BOOST_MIN; |
| 1554 | |
| 1555 | pr_debug("voltage=%d setting %02x\n", voltage, reg); |
| 1556 | return qpnp_chg_write(chip, ®, chip->boost_base + BOOST_VSET, 1); |
| 1557 | } |
| 1558 | |
| 1559 | static int |
| 1560 | qpnp_boost_vget_uv(struct qpnp_chg_chip *chip) |
| 1561 | { |
| 1562 | int rc; |
| 1563 | u8 boost_reg; |
| 1564 | |
| 1565 | rc = qpnp_chg_read(chip, &boost_reg, |
| 1566 | chip->boost_base + BOOST_VSET, 1); |
| 1567 | if (rc) { |
| 1568 | pr_err("failed to read BOOST_VSET rc=%d\n", rc); |
| 1569 | return rc; |
| 1570 | } |
| 1571 | |
| 1572 | if (boost_reg < BOOST_MIN) { |
| 1573 | pr_err("Invalid reading from 0x%x\n", boost_reg); |
| 1574 | return -EINVAL; |
| 1575 | } |
| 1576 | |
| 1577 | return BOOST_MIN_UV + ((boost_reg - BOOST_MIN) * BOOST_STEP_UV); |
| 1578 | } |
| 1579 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1580 | /* JEITA compliance logic */ |
| 1581 | static void |
| 1582 | qpnp_chg_set_appropriate_vddmax(struct qpnp_chg_chip *chip) |
| 1583 | { |
| 1584 | if (chip->bat_is_cool) |
| 1585 | qpnp_chg_vddmax_set(chip, chip->cool_bat_mv); |
| 1586 | else if (chip->bat_is_warm) |
| 1587 | qpnp_chg_vddmax_set(chip, chip->warm_bat_mv); |
| 1588 | else |
| 1589 | qpnp_chg_vddmax_set(chip, chip->max_voltage_mv); |
| 1590 | } |
| 1591 | |
| 1592 | static void |
| 1593 | qpnp_chg_set_appropriate_vbatdet(struct qpnp_chg_chip *chip) |
| 1594 | { |
| 1595 | if (chip->bat_is_cool) |
| 1596 | qpnp_chg_vbatdet_set(chip, chip->cool_bat_mv |
| 1597 | - chip->resume_delta_mv); |
| 1598 | else if (chip->bat_is_warm) |
| 1599 | qpnp_chg_vbatdet_set(chip, chip->warm_bat_mv |
| 1600 | - chip->resume_delta_mv); |
| 1601 | else |
| 1602 | qpnp_chg_vbatdet_set(chip, chip->max_voltage_mv |
| 1603 | - chip->resume_delta_mv); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1604 | } |
| 1605 | |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 1606 | static void |
| 1607 | qpnp_chg_set_appropriate_battery_current(struct qpnp_chg_chip *chip) |
| 1608 | { |
| 1609 | unsigned int chg_current = chip->max_bat_chg_current; |
| 1610 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1611 | if (chip->bat_is_cool) |
| 1612 | chg_current = min(chg_current, chip->cool_bat_chg_ma); |
| 1613 | |
| 1614 | if (chip->bat_is_warm) |
| 1615 | chg_current = min(chg_current, chip->warm_bat_chg_ma); |
| 1616 | |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 1617 | if (chip->therm_lvl_sel != 0 && chip->thermal_mitigation) |
| 1618 | chg_current = min(chg_current, |
| 1619 | chip->thermal_mitigation[chip->therm_lvl_sel]); |
| 1620 | |
| 1621 | pr_debug("setting %d mA\n", chg_current); |
| 1622 | qpnp_chg_ibatmax_set(chip, chg_current); |
| 1623 | } |
| 1624 | |
| 1625 | static void |
| 1626 | qpnp_batt_system_temp_level_set(struct qpnp_chg_chip *chip, int lvl_sel) |
| 1627 | { |
| 1628 | if (lvl_sel >= 0 && lvl_sel < chip->thermal_levels) { |
| 1629 | chip->therm_lvl_sel = lvl_sel; |
| 1630 | if (lvl_sel == (chip->thermal_levels - 1)) { |
| 1631 | /* disable charging if highest value selected */ |
| 1632 | qpnp_chg_buck_control(chip, 0); |
| 1633 | } else { |
| 1634 | qpnp_chg_buck_control(chip, 1); |
| 1635 | qpnp_chg_set_appropriate_battery_current(chip); |
| 1636 | } |
| 1637 | } else { |
| 1638 | pr_err("Unsupported level selected %d\n", lvl_sel); |
| 1639 | } |
| 1640 | } |
| 1641 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1642 | /* OTG regulator operations */ |
| 1643 | static int |
| 1644 | qpnp_chg_regulator_otg_enable(struct regulator_dev *rdev) |
| 1645 | { |
| 1646 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 1647 | |
| 1648 | return switch_usb_to_host_mode(chip); |
| 1649 | } |
| 1650 | |
| 1651 | static int |
| 1652 | qpnp_chg_regulator_otg_disable(struct regulator_dev *rdev) |
| 1653 | { |
| 1654 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 1655 | |
| 1656 | return switch_usb_to_charge_mode(chip); |
| 1657 | } |
| 1658 | |
| 1659 | static int |
| 1660 | qpnp_chg_regulator_otg_is_enabled(struct regulator_dev *rdev) |
| 1661 | { |
| 1662 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 1663 | |
| 1664 | return qpnp_chg_is_otg_en_set(chip); |
| 1665 | } |
| 1666 | |
| 1667 | static int |
| 1668 | qpnp_chg_regulator_boost_enable(struct regulator_dev *rdev) |
| 1669 | { |
| 1670 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 1671 | int rc; |
| 1672 | |
| 1673 | if (qpnp_chg_is_usb_chg_plugged_in(chip) && |
| 1674 | (chip->flags & BOOST_FLASH_WA)) { |
| 1675 | qpnp_chg_usb_suspend_enable(chip, 1); |
| 1676 | |
| 1677 | rc = qpnp_chg_masked_write(chip, |
| 1678 | chip->usb_chgpth_base + SEC_ACCESS, |
| 1679 | 0xFF, |
| 1680 | 0xA5, 1); |
| 1681 | if (rc) { |
| 1682 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 1683 | return rc; |
| 1684 | } |
| 1685 | |
| 1686 | rc = qpnp_chg_masked_write(chip, |
| 1687 | chip->usb_chgpth_base + COMP_OVR1, |
| 1688 | 0xFF, |
| 1689 | 0x2F, 1); |
| 1690 | if (rc) { |
| 1691 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1692 | return rc; |
| 1693 | } |
| 1694 | } |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1695 | |
| 1696 | return qpnp_chg_masked_write(chip, |
| 1697 | chip->boost_base + BOOST_ENABLE_CONTROL, |
| 1698 | BOOST_PWR_EN, |
| 1699 | BOOST_PWR_EN, 1); |
| 1700 | } |
| 1701 | |
| 1702 | /* Boost regulator operations */ |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 1703 | #define ABOVE_VBAT_WEAK BIT(1) |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1704 | static int |
| 1705 | qpnp_chg_regulator_boost_disable(struct regulator_dev *rdev) |
| 1706 | { |
| 1707 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 1708 | int rc; |
| 1709 | u8 vbat_sts; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1710 | |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 1711 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1712 | chip->boost_base + BOOST_ENABLE_CONTROL, |
| 1713 | BOOST_PWR_EN, |
| 1714 | 0, 1); |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 1715 | if (rc) { |
| 1716 | pr_err("failed to disable boost rc=%d\n", rc); |
| 1717 | return rc; |
| 1718 | } |
| 1719 | |
| 1720 | rc = qpnp_chg_read(chip, &vbat_sts, |
| 1721 | chip->chgr_base + CHGR_VBAT_STATUS, 1); |
| 1722 | if (rc) { |
| 1723 | pr_err("failed to read bat sts rc=%d\n", rc); |
| 1724 | return rc; |
| 1725 | } |
| 1726 | |
| 1727 | if (!(vbat_sts & ABOVE_VBAT_WEAK) && (chip->flags & BOOST_FLASH_WA)) { |
| 1728 | rc = qpnp_chg_masked_write(chip, |
| 1729 | chip->chgr_base + SEC_ACCESS, |
| 1730 | 0xFF, |
| 1731 | 0xA5, 1); |
| 1732 | if (rc) { |
| 1733 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 1734 | return rc; |
| 1735 | } |
| 1736 | |
| 1737 | rc = qpnp_chg_masked_write(chip, |
| 1738 | chip->chgr_base + COMP_OVR1, |
| 1739 | 0xFF, |
| 1740 | 0x20, 1); |
| 1741 | if (rc) { |
| 1742 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1743 | return rc; |
| 1744 | } |
| 1745 | |
| 1746 | usleep(2000); |
| 1747 | |
| 1748 | rc = qpnp_chg_masked_write(chip, |
| 1749 | chip->chgr_base + SEC_ACCESS, |
| 1750 | 0xFF, |
| 1751 | 0xA5, 1); |
| 1752 | if (rc) { |
| 1753 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 1754 | return rc; |
| 1755 | } |
| 1756 | |
| 1757 | rc = qpnp_chg_masked_write(chip, |
| 1758 | chip->chgr_base + COMP_OVR1, |
| 1759 | 0xFF, |
| 1760 | 0x00, 1); |
| 1761 | if (rc) { |
| 1762 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1763 | return rc; |
| 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | if (qpnp_chg_is_usb_chg_plugged_in(chip) |
| 1768 | && (chip->flags & BOOST_FLASH_WA)) { |
| 1769 | rc = qpnp_chg_masked_write(chip, |
| 1770 | chip->usb_chgpth_base + SEC_ACCESS, |
| 1771 | 0xFF, |
| 1772 | 0xA5, 1); |
| 1773 | if (rc) { |
| 1774 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 1775 | return rc; |
| 1776 | } |
| 1777 | |
| 1778 | rc = qpnp_chg_masked_write(chip, |
| 1779 | chip->usb_chgpth_base + COMP_OVR1, |
| 1780 | 0xFF, |
| 1781 | 0x00, 1); |
| 1782 | if (rc) { |
| 1783 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1784 | return rc; |
| 1785 | } |
| 1786 | |
| 1787 | usleep(1000); |
| 1788 | |
| 1789 | qpnp_chg_usb_suspend_enable(chip, 0); |
| 1790 | } |
| 1791 | |
| 1792 | return rc; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 1793 | } |
| 1794 | |
| 1795 | static int |
| 1796 | qpnp_chg_regulator_boost_is_enabled(struct regulator_dev *rdev) |
| 1797 | { |
| 1798 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 1799 | |
| 1800 | return qpnp_chg_is_boost_en_set(chip); |
| 1801 | } |
| 1802 | |
| 1803 | static int |
| 1804 | qpnp_chg_regulator_boost_set_voltage(struct regulator_dev *rdev, |
| 1805 | int min_uV, int max_uV, unsigned *selector) |
| 1806 | { |
| 1807 | int uV = min_uV; |
| 1808 | int rc; |
| 1809 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 1810 | |
| 1811 | if (uV < BOOST_MIN_UV && max_uV >= BOOST_MIN_UV) |
| 1812 | uV = BOOST_MIN_UV; |
| 1813 | |
| 1814 | |
| 1815 | if (uV < BOOST_MIN_UV || uV > BOOST_MAX_UV) { |
| 1816 | pr_err("request %d uV is out of bounds\n", uV); |
| 1817 | return -EINVAL; |
| 1818 | } |
| 1819 | |
| 1820 | *selector = DIV_ROUND_UP(uV - BOOST_MIN_UV, BOOST_STEP_UV); |
| 1821 | if ((*selector * BOOST_STEP_UV + BOOST_MIN_UV) > max_uV) { |
| 1822 | pr_err("no available setpoint [%d, %d] uV\n", min_uV, max_uV); |
| 1823 | return -EINVAL; |
| 1824 | } |
| 1825 | |
| 1826 | rc = qpnp_boost_vset(chip, uV); |
| 1827 | |
| 1828 | return rc; |
| 1829 | } |
| 1830 | |
| 1831 | static int |
| 1832 | qpnp_chg_regulator_boost_get_voltage(struct regulator_dev *rdev) |
| 1833 | { |
| 1834 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 1835 | |
| 1836 | return qpnp_boost_vget_uv(chip); |
| 1837 | } |
| 1838 | |
| 1839 | static int |
| 1840 | qpnp_chg_regulator_boost_list_voltage(struct regulator_dev *rdev, |
| 1841 | unsigned selector) |
| 1842 | { |
| 1843 | if (selector >= N_BOOST_V) |
| 1844 | return 0; |
| 1845 | |
| 1846 | return BOOST_MIN_UV + (selector * BOOST_STEP_UV); |
| 1847 | } |
| 1848 | |
| 1849 | static struct regulator_ops qpnp_chg_otg_reg_ops = { |
| 1850 | .enable = qpnp_chg_regulator_otg_enable, |
| 1851 | .disable = qpnp_chg_regulator_otg_disable, |
| 1852 | .is_enabled = qpnp_chg_regulator_otg_is_enabled, |
| 1853 | }; |
| 1854 | |
| 1855 | static struct regulator_ops qpnp_chg_boost_reg_ops = { |
| 1856 | .enable = qpnp_chg_regulator_boost_enable, |
| 1857 | .disable = qpnp_chg_regulator_boost_disable, |
| 1858 | .is_enabled = qpnp_chg_regulator_boost_is_enabled, |
| 1859 | .set_voltage = qpnp_chg_regulator_boost_set_voltage, |
| 1860 | .get_voltage = qpnp_chg_regulator_boost_get_voltage, |
| 1861 | .list_voltage = qpnp_chg_regulator_boost_list_voltage, |
| 1862 | }; |
| 1863 | |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 1864 | #define MIN_DELTA_MV_TO_INCREASE_VDD_MAX 13 |
| 1865 | #define MAX_DELTA_VDD_MAX_MV 30 |
| 1866 | static void |
| 1867 | qpnp_chg_adjust_vddmax(struct qpnp_chg_chip *chip, int vbat_mv) |
| 1868 | { |
| 1869 | int delta_mv, closest_delta_mv, sign; |
| 1870 | |
| 1871 | delta_mv = chip->max_voltage_mv - vbat_mv; |
| 1872 | if (delta_mv > 0 && delta_mv < MIN_DELTA_MV_TO_INCREASE_VDD_MAX) { |
| 1873 | pr_debug("vbat is not low enough to increase vdd\n"); |
| 1874 | return; |
| 1875 | } |
| 1876 | |
| 1877 | sign = delta_mv > 0 ? 1 : -1; |
| 1878 | closest_delta_mv = ((delta_mv + sign * QPNP_CHG_V_STEP_MV / 2) |
| 1879 | / QPNP_CHG_V_STEP_MV) * QPNP_CHG_V_STEP_MV; |
| 1880 | pr_debug("max_voltage = %d, vbat_mv = %d, delta_mv = %d, closest = %d\n", |
| 1881 | chip->max_voltage_mv, vbat_mv, |
| 1882 | delta_mv, closest_delta_mv); |
| 1883 | chip->delta_vddmax_mv = clamp(chip->delta_vddmax_mv + closest_delta_mv, |
| 1884 | -MAX_DELTA_VDD_MAX_MV, MAX_DELTA_VDD_MAX_MV); |
| 1885 | pr_debug("using delta_vddmax_mv = %d\n", chip->delta_vddmax_mv); |
| 1886 | qpnp_chg_set_appropriate_vddmax(chip); |
| 1887 | } |
| 1888 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1889 | #define CONSECUTIVE_COUNT 3 |
| 1890 | static void |
| 1891 | qpnp_eoc_work(struct work_struct *work) |
| 1892 | { |
| 1893 | struct delayed_work *dwork = to_delayed_work(work); |
| 1894 | struct qpnp_chg_chip *chip = container_of(dwork, |
| 1895 | struct qpnp_chg_chip, eoc_work); |
| 1896 | static int count; |
| 1897 | int ibat_ma, vbat_mv, rc = 0; |
| 1898 | u8 batt_sts = 0, buck_sts = 0, chg_sts = 0; |
| 1899 | |
| 1900 | wake_lock(&chip->eoc_wake_lock); |
| 1901 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 1902 | |
| 1903 | rc = qpnp_chg_read(chip, &batt_sts, INT_RT_STS(chip->bat_if_base), 1); |
| 1904 | if (rc) { |
| 1905 | pr_err("failed to read batt_if rc=%d\n", rc); |
| 1906 | return; |
| 1907 | } |
| 1908 | |
| 1909 | rc = qpnp_chg_read(chip, &buck_sts, INT_RT_STS(chip->buck_base), 1); |
| 1910 | if (rc) { |
| 1911 | pr_err("failed to read buck rc=%d\n", rc); |
| 1912 | return; |
| 1913 | } |
| 1914 | |
| 1915 | rc = qpnp_chg_read(chip, &chg_sts, INT_RT_STS(chip->chgr_base), 1); |
| 1916 | if (rc) { |
| 1917 | pr_err("failed to read chg_sts rc=%d\n", rc); |
| 1918 | return; |
| 1919 | } |
| 1920 | |
| 1921 | pr_debug("chgr: 0x%x, bat_if: 0x%x, buck: 0x%x\n", |
| 1922 | chg_sts, batt_sts, buck_sts); |
| 1923 | |
| 1924 | if (!qpnp_chg_is_usb_chg_plugged_in(chip) && |
| 1925 | !qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 1926 | pr_debug("no chg connected, stopping\n"); |
| 1927 | goto stop_eoc; |
| 1928 | } |
| 1929 | |
| 1930 | if ((batt_sts & BAT_FET_ON_IRQ) && (chg_sts & FAST_CHG_ON_IRQ |
| 1931 | || chg_sts & TRKL_CHG_ON_IRQ)) { |
| 1932 | ibat_ma = get_prop_current_now(chip) / 1000; |
| 1933 | vbat_mv = get_prop_battery_voltage_now(chip) / 1000; |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 1934 | |
| 1935 | pr_debug("ibat_ma = %d vbat_mv = %d term_current_ma = %d\n", |
| 1936 | ibat_ma, vbat_mv, chip->term_current); |
| 1937 | |
| 1938 | if ((!(chg_sts & VBAT_DET_LOW_IRQ)) && (vbat_mv < |
| 1939 | (chip->max_voltage_mv - chip->resume_delta_mv))) { |
| 1940 | pr_debug("woke up too early\n"); |
| 1941 | qpnp_chg_enable_irq(&chip->chg_vbatdet_lo); |
| 1942 | goto stop_eoc; |
| 1943 | } |
| 1944 | |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 1945 | if (buck_sts & VDD_LOOP_IRQ) |
| 1946 | qpnp_chg_adjust_vddmax(chip, vbat_mv); |
| 1947 | |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 1948 | if (!(buck_sts & VDD_LOOP_IRQ)) { |
| 1949 | pr_debug("Not in CV\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1950 | count = 0; |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 1951 | } else if ((ibat_ma * -1) > chip->term_current) { |
| 1952 | pr_debug("Not at EOC, battery current too high\n"); |
| 1953 | count = 0; |
| 1954 | } else if (ibat_ma > 0) { |
| 1955 | pr_debug("Charging but system demand increased\n"); |
| 1956 | count = 0; |
| 1957 | } else { |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1958 | if (count == CONSECUTIVE_COUNT) { |
| 1959 | pr_info("End of Charging\n"); |
| 1960 | qpnp_chg_charge_en(chip, 0); |
| 1961 | chip->chg_done = true; |
| 1962 | power_supply_changed(&chip->batt_psy); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 1963 | qpnp_chg_enable_irq(&chip->chg_vbatdet_lo); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1964 | goto stop_eoc; |
| 1965 | } else { |
| 1966 | count += 1; |
| 1967 | pr_debug("EOC count = %d\n", count); |
| 1968 | } |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1969 | } |
| 1970 | } else { |
| 1971 | pr_debug("not charging\n"); |
| 1972 | goto stop_eoc; |
| 1973 | } |
| 1974 | |
| 1975 | schedule_delayed_work(&chip->eoc_work, |
| 1976 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
| 1977 | return; |
| 1978 | |
| 1979 | stop_eoc: |
| 1980 | count = 0; |
| 1981 | wake_unlock(&chip->eoc_wake_lock); |
| 1982 | } |
| 1983 | |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 1984 | #define HYSTERISIS_DECIDEGC 20 |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1985 | static void |
| 1986 | qpnp_chg_adc_notification(enum qpnp_tm_state state, void *ctx) |
| 1987 | { |
| 1988 | struct qpnp_chg_chip *chip = ctx; |
| 1989 | bool bat_warm = 0, bat_cool = 0; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 1990 | int temp; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1991 | |
| 1992 | if (state >= ADC_TM_STATE_NUM) { |
| 1993 | pr_err("invalid notification %d\n", state); |
| 1994 | return; |
| 1995 | } |
| 1996 | |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 1997 | temp = get_prop_batt_temp(chip); |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 1998 | |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 1999 | pr_debug("temp = %d state = %s\n", temp, |
| 2000 | state == ADC_TM_WARM_STATE ? "warm" : "cool"); |
| 2001 | |
| 2002 | if (state == ADC_TM_WARM_STATE) { |
| 2003 | if (temp > chip->warm_bat_decidegc) { |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 2004 | /* Normal to warm */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2005 | bat_warm = true; |
| 2006 | bat_cool = false; |
| 2007 | chip->adc_param.low_temp = |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2008 | chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2009 | chip->adc_param.state_request = |
| 2010 | ADC_TM_COOL_THR_ENABLE; |
| 2011 | } else if (temp > |
| 2012 | chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC){ |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 2013 | /* Cool to normal */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2014 | bat_warm = false; |
| 2015 | bat_cool = false; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2016 | |
| 2017 | chip->adc_param.low_temp = chip->cool_bat_decidegc; |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2018 | chip->adc_param.high_temp = chip->warm_bat_decidegc; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2019 | chip->adc_param.state_request = |
| 2020 | ADC_TM_HIGH_LOW_THR_ENABLE; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2021 | } |
| 2022 | } else { |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2023 | if (temp < chip->cool_bat_decidegc) { |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 2024 | /* Normal to cool */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2025 | bat_warm = false; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2026 | bat_cool = true; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2027 | chip->adc_param.high_temp = |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2028 | chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2029 | chip->adc_param.state_request = |
| 2030 | ADC_TM_WARM_THR_ENABLE; |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 2031 | } else if (temp < |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2032 | chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC){ |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 2033 | /* Warm to normal */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2034 | bat_warm = false; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2035 | bat_cool = false; |
| 2036 | |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2037 | chip->adc_param.low_temp = chip->cool_bat_decidegc; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2038 | chip->adc_param.high_temp = chip->warm_bat_decidegc; |
| 2039 | chip->adc_param.state_request = |
| 2040 | ADC_TM_HIGH_LOW_THR_ENABLE; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2041 | } |
| 2042 | } |
| 2043 | |
| 2044 | if (chip->bat_is_cool ^ bat_cool || chip->bat_is_warm ^ bat_warm) { |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2045 | chip->bat_is_cool = bat_cool; |
| 2046 | chip->bat_is_warm = bat_warm; |
| 2047 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2048 | /* set appropriate voltages and currents */ |
| 2049 | qpnp_chg_set_appropriate_vddmax(chip); |
| 2050 | qpnp_chg_set_appropriate_battery_current(chip); |
| 2051 | qpnp_chg_set_appropriate_vbatdet(chip); |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2052 | } |
| 2053 | |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 2054 | if (qpnp_adc_tm_channel_measure(&chip->adc_param)) |
| 2055 | pr_err("request ADC error\n"); |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2056 | } |
| 2057 | |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 2058 | static int |
| 2059 | qpnp_batt_power_set_property(struct power_supply *psy, |
| 2060 | enum power_supply_property psp, |
| 2061 | const union power_supply_propval *val) |
| 2062 | { |
| 2063 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 2064 | batt_psy); |
| 2065 | |
| 2066 | switch (psp) { |
| 2067 | case POWER_SUPPLY_PROP_CHARGING_ENABLED: |
| 2068 | chip->charging_disabled = !(val->intval); |
| 2069 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 2070 | qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
| 2071 | break; |
| 2072 | case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL: |
| 2073 | qpnp_batt_system_temp_level_set(chip, val->intval); |
| 2074 | break; |
| 2075 | default: |
| 2076 | return -EINVAL; |
| 2077 | } |
| 2078 | |
| 2079 | power_supply_changed(&chip->batt_psy); |
| 2080 | return 0; |
| 2081 | } |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 2082 | |
| 2083 | static void |
| 2084 | qpnp_chg_setup_flags(struct qpnp_chg_chip *chip) |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2085 | { |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 2086 | if (chip->revision > 0 && chip->type == SMBB) |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2087 | chip->flags |= CHG_FLAGS_VCP_WA; |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 2088 | if (chip->type == SMBB) |
| 2089 | chip->flags |= BOOST_FLASH_WA; |
David Keitel | 1428804 | 2013-06-04 15:16:46 -0700 | [diff] [blame] | 2090 | if (chip->type == SMBBP) |
| 2091 | chip->flags |= BOOST_FLASH_WA; |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2092 | } |
| 2093 | |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2094 | static int |
| 2095 | qpnp_chg_request_irqs(struct qpnp_chg_chip *chip) |
| 2096 | { |
| 2097 | int rc = 0; |
| 2098 | struct resource *resource; |
| 2099 | struct spmi_resource *spmi_resource; |
| 2100 | u8 subtype; |
| 2101 | struct spmi_device *spmi = chip->spmi; |
| 2102 | |
| 2103 | spmi_for_each_container_dev(spmi_resource, chip->spmi) { |
| 2104 | if (!spmi_resource) { |
| 2105 | pr_err("qpnp_chg: spmi resource absent\n"); |
| 2106 | return rc; |
| 2107 | } |
| 2108 | |
| 2109 | resource = spmi_get_resource(spmi, spmi_resource, |
| 2110 | IORESOURCE_MEM, 0); |
| 2111 | if (!(resource && resource->start)) { |
| 2112 | pr_err("node %s IO resource absent!\n", |
| 2113 | spmi->dev.of_node->full_name); |
| 2114 | return rc; |
| 2115 | } |
| 2116 | |
| 2117 | rc = qpnp_chg_read(chip, &subtype, |
| 2118 | resource->start + REG_OFFSET_PERP_SUBTYPE, 1); |
| 2119 | if (rc) { |
| 2120 | pr_err("Peripheral subtype read failed rc=%d\n", rc); |
| 2121 | return rc; |
| 2122 | } |
| 2123 | |
| 2124 | switch (subtype) { |
| 2125 | case SMBB_CHGR_SUBTYPE: |
| 2126 | case SMBBP_CHGR_SUBTYPE: |
| 2127 | case SMBCL_CHGR_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2128 | chip->chg_fastchg.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2129 | spmi_resource, "fast-chg-on"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2130 | if (chip->chg_fastchg.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2131 | pr_err("Unable to get fast-chg-on irq\n"); |
| 2132 | return rc; |
| 2133 | } |
| 2134 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2135 | chip->chg_trklchg.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2136 | spmi_resource, "trkl-chg-on"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2137 | if (chip->chg_trklchg.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2138 | pr_err("Unable to get trkl-chg-on irq\n"); |
| 2139 | return rc; |
| 2140 | } |
| 2141 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2142 | chip->chg_failed.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2143 | spmi_resource, "chg-failed"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2144 | if (chip->chg_failed.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2145 | pr_err("Unable to get chg_failed irq\n"); |
| 2146 | return rc; |
| 2147 | } |
| 2148 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2149 | chip->chg_vbatdet_lo.irq = spmi_get_irq_byname(spmi, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2150 | spmi_resource, "vbat-det-lo"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2151 | if (chip->chg_vbatdet_lo.irq < 0) { |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2152 | pr_err("Unable to get fast-chg-on irq\n"); |
| 2153 | return rc; |
| 2154 | } |
| 2155 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2156 | rc |= devm_request_irq(chip->dev, chip->chg_failed.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2157 | qpnp_chg_chgr_chg_failed_irq_handler, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2158 | IRQF_TRIGGER_RISING, "chg-failed", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2159 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2160 | pr_err("Can't request %d chg-failed: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2161 | chip->chg_failed.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2162 | return rc; |
| 2163 | } |
| 2164 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2165 | rc |= devm_request_irq(chip->dev, chip->chg_fastchg.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2166 | qpnp_chg_chgr_chg_fastchg_irq_handler, |
| 2167 | IRQF_TRIGGER_RISING, |
| 2168 | "fast-chg-on", chip); |
| 2169 | if (rc < 0) { |
| 2170 | pr_err("Can't request %d fast-chg-on: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2171 | chip->chg_fastchg.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2172 | return rc; |
| 2173 | } |
| 2174 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2175 | rc |= devm_request_irq(chip->dev, chip->chg_trklchg.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2176 | qpnp_chg_chgr_chg_trklchg_irq_handler, |
| 2177 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2178 | "trkl-chg-on", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2179 | if (rc < 0) { |
| 2180 | pr_err("Can't request %d trkl-chg-on: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2181 | chip->chg_trklchg.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2182 | return rc; |
| 2183 | } |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2184 | |
| 2185 | rc |= devm_request_irq(chip->dev, |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2186 | chip->chg_vbatdet_lo.irq, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2187 | qpnp_chg_vbatdet_lo_irq_handler, |
David Keitel | d98e282 | 2013-06-05 11:37:34 -0700 | [diff] [blame] | 2188 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2189 | "vbat-det-lo", chip); |
| 2190 | if (rc < 0) { |
| 2191 | pr_err("Can't request %d vbat-det-lo: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2192 | chip->chg_vbatdet_lo.irq, rc); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2193 | return rc; |
| 2194 | } |
| 2195 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2196 | enable_irq_wake(chip->chg_trklchg.irq); |
| 2197 | enable_irq_wake(chip->chg_failed.irq); |
| 2198 | qpnp_chg_disable_irq(&chip->chg_vbatdet_lo); |
| 2199 | enable_irq_wake(chip->chg_vbatdet_lo.irq); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2200 | |
| 2201 | break; |
| 2202 | case SMBB_BAT_IF_SUBTYPE: |
| 2203 | case SMBBP_BAT_IF_SUBTYPE: |
| 2204 | case SMBCL_BAT_IF_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2205 | chip->batt_pres.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2206 | spmi_resource, "batt-pres"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2207 | if (chip->batt_pres.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2208 | pr_err("Unable to get batt-pres irq\n"); |
| 2209 | return rc; |
| 2210 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2211 | rc = devm_request_irq(chip->dev, chip->batt_pres.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2212 | qpnp_chg_bat_if_batt_pres_irq_handler, |
| 2213 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2214 | "batt-pres", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2215 | if (rc < 0) { |
| 2216 | pr_err("Can't request %d batt-pres irq: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2217 | chip->batt_pres.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2218 | return rc; |
| 2219 | } |
| 2220 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2221 | enable_irq_wake(chip->batt_pres.irq); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2222 | break; |
| 2223 | case SMBB_USB_CHGPTH_SUBTYPE: |
| 2224 | case SMBBP_USB_CHGPTH_SUBTYPE: |
| 2225 | case SMBCL_USB_CHGPTH_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2226 | chip->usbin_valid.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2227 | spmi_resource, "usbin-valid"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2228 | if (chip->usbin_valid.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2229 | pr_err("Unable to get usbin irq\n"); |
| 2230 | return rc; |
| 2231 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2232 | rc = devm_request_irq(chip->dev, chip->usbin_valid.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2233 | qpnp_chg_usb_usbin_valid_irq_handler, |
| 2234 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2235 | "usbin-valid", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2236 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2237 | pr_err("Can't request %d usbin-valid: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2238 | chip->usbin_valid.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2239 | return rc; |
| 2240 | } |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2241 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2242 | chip->chg_gone.irq = spmi_get_irq_byname(spmi, |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2243 | spmi_resource, "chg-gone"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2244 | if (chip->chg_gone.irq < 0) { |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2245 | pr_err("Unable to get chg-gone irq\n"); |
| 2246 | return rc; |
| 2247 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2248 | rc = devm_request_irq(chip->dev, chip->chg_gone.irq, |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2249 | qpnp_chg_usb_chg_gone_irq_handler, |
| 2250 | IRQF_TRIGGER_RISING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2251 | "chg-gone", chip); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2252 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2253 | pr_err("Can't request %d chg-gone: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2254 | chip->chg_gone.irq, rc); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2255 | return rc; |
| 2256 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2257 | |
| 2258 | enable_irq_wake(chip->usbin_valid.irq); |
| 2259 | enable_irq_wake(chip->chg_gone.irq); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2260 | break; |
| 2261 | case SMBB_DC_CHGPTH_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2262 | chip->dcin_valid.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2263 | spmi_resource, "dcin-valid"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2264 | if (chip->dcin_valid.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2265 | pr_err("Unable to get dcin irq\n"); |
| 2266 | return -rc; |
| 2267 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2268 | rc = devm_request_irq(chip->dev, chip->dcin_valid.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2269 | qpnp_chg_dc_dcin_valid_irq_handler, |
| 2270 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2271 | "dcin-valid", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2272 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 2273 | pr_err("Can't request %d dcin-valid: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2274 | chip->dcin_valid.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2275 | return rc; |
| 2276 | } |
| 2277 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2278 | enable_irq_wake(chip->dcin_valid.irq); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2279 | break; |
| 2280 | } |
| 2281 | } |
| 2282 | |
| 2283 | return rc; |
| 2284 | } |
| 2285 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2286 | #define WDOG_EN_BIT BIT(7) |
| 2287 | static int |
| 2288 | qpnp_chg_hwinit(struct qpnp_chg_chip *chip, u8 subtype, |
| 2289 | struct spmi_resource *spmi_resource) |
| 2290 | { |
| 2291 | int rc = 0; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2292 | u8 reg = 0; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2293 | struct regulator_init_data *init_data; |
| 2294 | struct regulator_desc *rdesc; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2295 | |
| 2296 | switch (subtype) { |
| 2297 | case SMBB_CHGR_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2298 | case SMBBP_CHGR_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2299 | case SMBCL_CHGR_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2300 | rc = qpnp_chg_vinmin_set(chip, chip->min_voltage_mv); |
| 2301 | if (rc) { |
| 2302 | pr_debug("failed setting min_voltage rc=%d\n", rc); |
| 2303 | return rc; |
| 2304 | } |
| 2305 | rc = qpnp_chg_vddmax_set(chip, chip->max_voltage_mv); |
| 2306 | if (rc) { |
| 2307 | pr_debug("failed setting max_voltage rc=%d\n", rc); |
| 2308 | return rc; |
| 2309 | } |
| 2310 | rc = qpnp_chg_vddsafe_set(chip, chip->safe_voltage_mv); |
| 2311 | if (rc) { |
| 2312 | pr_debug("failed setting safe_voltage rc=%d\n", rc); |
| 2313 | return rc; |
| 2314 | } |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2315 | rc = qpnp_chg_vbatdet_set(chip, |
| 2316 | chip->max_voltage_mv - chip->resume_delta_mv); |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 2317 | if (rc) { |
| 2318 | pr_debug("failed setting resume_voltage rc=%d\n", rc); |
| 2319 | return rc; |
| 2320 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2321 | rc = qpnp_chg_ibatmax_set(chip, chip->max_bat_chg_current); |
| 2322 | if (rc) { |
| 2323 | pr_debug("failed setting ibatmax rc=%d\n", rc); |
| 2324 | return rc; |
| 2325 | } |
David Keitel | 365c4c4 | 2013-03-08 16:20:40 -0800 | [diff] [blame] | 2326 | if (chip->term_current) { |
| 2327 | rc = qpnp_chg_ibatterm_set(chip, chip->term_current); |
| 2328 | if (rc) { |
| 2329 | pr_debug("failed setting ibatterm rc=%d\n", rc); |
| 2330 | return rc; |
| 2331 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2332 | } |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 2333 | rc = qpnp_chg_ibatsafe_set(chip, chip->safe_current); |
| 2334 | if (rc) { |
| 2335 | pr_debug("failed setting ibat_Safe rc=%d\n", rc); |
| 2336 | return rc; |
| 2337 | } |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 2338 | rc = qpnp_chg_tchg_max_set(chip, chip->tchg_mins); |
| 2339 | if (rc) { |
| 2340 | pr_debug("failed setting tchg_mins rc=%d\n", rc); |
| 2341 | return rc; |
| 2342 | } |
| 2343 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2344 | /* HACK: Disable wdog */ |
| 2345 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + 0x62, |
| 2346 | 0xFF, 0xA0, 1); |
| 2347 | |
David Keitel | b4e4354 | 2013-04-09 17:30:41 -0700 | [diff] [blame] | 2348 | /* HACK: use analog EOC */ |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2349 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + |
| 2350 | CHGR_IBAT_TERM_CHGR, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2351 | 0xFF, 0x08, 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2352 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2353 | break; |
| 2354 | case SMBB_BUCK_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2355 | case SMBBP_BUCK_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2356 | case SMBCL_BUCK_SUBTYPE: |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2357 | rc = qpnp_chg_toggle_chg_done_logic(chip, 0); |
| 2358 | if (rc) |
| 2359 | return rc; |
| 2360 | |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 2361 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 5adc794 | 2013-05-21 13:45:17 -0700 | [diff] [blame] | 2362 | chip->buck_base + CHGR_BUCK_BCK_VBAT_REG_MODE, |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 2363 | BUCK_VBAT_REG_NODE_SEL_BIT, |
| 2364 | BUCK_VBAT_REG_NODE_SEL_BIT, 1); |
| 2365 | if (rc) { |
| 2366 | pr_debug("failed to enable IR drop comp rc=%d\n", rc); |
| 2367 | return rc; |
| 2368 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2369 | break; |
| 2370 | case SMBB_BAT_IF_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2371 | case SMBBP_BAT_IF_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2372 | case SMBCL_BAT_IF_SUBTYPE: |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2373 | /* Select battery presence detection */ |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 2374 | switch (chip->bpd_detection) { |
| 2375 | case BPD_TYPE_BAT_THM: |
| 2376 | reg = BAT_THM_EN; |
| 2377 | break; |
| 2378 | case BPD_TYPE_BAT_ID: |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2379 | reg = BAT_ID_EN; |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 2380 | break; |
| 2381 | case BPD_TYPE_BAT_THM_BAT_ID: |
| 2382 | reg = BAT_THM_EN | BAT_ID_EN; |
| 2383 | break; |
| 2384 | default: |
| 2385 | reg = BAT_THM_EN; |
| 2386 | break; |
| 2387 | } |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2388 | |
| 2389 | rc = qpnp_chg_masked_write(chip, |
| 2390 | chip->bat_if_base + BAT_IF_BPD_CTRL, |
| 2391 | BAT_IF_BPD_CTRL_SEL, |
| 2392 | reg, 1); |
| 2393 | if (rc) { |
| 2394 | pr_debug("failed to chose BPD rc=%d\n", rc); |
| 2395 | return rc; |
| 2396 | } |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 2397 | /* Force on VREF_BAT_THM */ |
| 2398 | rc = qpnp_chg_masked_write(chip, |
| 2399 | chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL, |
| 2400 | VREF_BATT_THERM_FORCE_ON, |
| 2401 | VREF_BATT_THERM_FORCE_ON, 1); |
| 2402 | if (rc) { |
| 2403 | pr_debug("failed to force on VREF_BAT_THM rc=%d\n", rc); |
| 2404 | return rc; |
| 2405 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2406 | break; |
| 2407 | case SMBB_USB_CHGPTH_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2408 | case SMBBP_USB_CHGPTH_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2409 | case SMBCL_USB_CHGPTH_SUBTYPE: |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2410 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) { |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2411 | rc = qpnp_chg_masked_write(chip, |
| 2412 | chip->usb_chgpth_base + CHGR_USB_ENUM_T_STOP, |
| 2413 | ENUM_T_STOP_BIT, |
| 2414 | ENUM_T_STOP_BIT, 1); |
| 2415 | if (rc) { |
| 2416 | pr_err("failed to write enum stop rc=%d\n", rc); |
| 2417 | return -ENXIO; |
| 2418 | } |
| 2419 | } |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2420 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2421 | init_data = of_get_regulator_init_data(chip->dev, |
| 2422 | spmi_resource->of_node); |
| 2423 | if (!init_data) { |
| 2424 | pr_err("unable to allocate memory\n"); |
| 2425 | return -ENOMEM; |
| 2426 | } |
| 2427 | |
| 2428 | if (init_data->constraints.name) { |
| 2429 | if (of_get_property(chip->dev->of_node, |
| 2430 | "otg-parent-supply", NULL)) |
| 2431 | init_data->supply_regulator = "otg-parent"; |
| 2432 | |
| 2433 | rdesc = &(chip->otg_vreg.rdesc); |
| 2434 | rdesc->owner = THIS_MODULE; |
| 2435 | rdesc->type = REGULATOR_VOLTAGE; |
| 2436 | rdesc->ops = &qpnp_chg_otg_reg_ops; |
| 2437 | rdesc->name = init_data->constraints.name; |
| 2438 | |
| 2439 | init_data->constraints.valid_ops_mask |
| 2440 | |= REGULATOR_CHANGE_STATUS; |
| 2441 | |
| 2442 | chip->otg_vreg.rdev = regulator_register(rdesc, |
| 2443 | chip->dev, init_data, chip, |
| 2444 | spmi_resource->of_node); |
| 2445 | if (IS_ERR(chip->otg_vreg.rdev)) { |
| 2446 | rc = PTR_ERR(chip->otg_vreg.rdev); |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 2447 | chip->otg_vreg.rdev = NULL; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2448 | if (rc != -EPROBE_DEFER) |
| 2449 | pr_err("OTG reg failed, rc=%d\n", rc); |
| 2450 | return rc; |
| 2451 | } |
| 2452 | } |
| 2453 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2454 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 5c3a770 | 2012-12-20 11:13:21 -0800 | [diff] [blame] | 2455 | chip->usb_chgpth_base + USB_OVP_CTL, |
| 2456 | USB_VALID_DEB_20MS, |
| 2457 | USB_VALID_DEB_20MS, 1); |
| 2458 | |
| 2459 | rc = qpnp_chg_masked_write(chip, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2460 | chip->usb_chgpth_base + CHGR_USB_ENUM_T_STOP, |
| 2461 | ENUM_T_STOP_BIT, |
| 2462 | ENUM_T_STOP_BIT, 1); |
| 2463 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2464 | rc = qpnp_chg_masked_write(chip, |
| 2465 | chip->usb_chgpth_base + SEC_ACCESS, |
| 2466 | 0xFF, |
| 2467 | 0xA5, 1); |
| 2468 | |
| 2469 | rc = qpnp_chg_masked_write(chip, |
| 2470 | chip->usb_chgpth_base + USB_CHG_GONE_REV_BST, |
| 2471 | 0xFF, |
| 2472 | 0x80, 1); |
| 2473 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2474 | break; |
| 2475 | case SMBB_DC_CHGPTH_SUBTYPE: |
| 2476 | break; |
| 2477 | case SMBB_BOOST_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2478 | case SMBBP_BOOST_SUBTYPE: |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2479 | init_data = of_get_regulator_init_data(chip->dev, |
| 2480 | spmi_resource->of_node); |
| 2481 | if (!init_data) { |
| 2482 | pr_err("unable to allocate memory\n"); |
| 2483 | return -ENOMEM; |
| 2484 | } |
| 2485 | |
| 2486 | if (init_data->constraints.name) { |
| 2487 | if (of_get_property(chip->dev->of_node, |
| 2488 | "boost-parent-supply", NULL)) |
| 2489 | init_data->supply_regulator = "boost-parent"; |
| 2490 | |
| 2491 | rdesc = &(chip->boost_vreg.rdesc); |
| 2492 | rdesc->owner = THIS_MODULE; |
| 2493 | rdesc->type = REGULATOR_VOLTAGE; |
| 2494 | rdesc->ops = &qpnp_chg_boost_reg_ops; |
| 2495 | rdesc->name = init_data->constraints.name; |
| 2496 | |
| 2497 | init_data->constraints.valid_ops_mask |
| 2498 | |= REGULATOR_CHANGE_STATUS |
| 2499 | | REGULATOR_CHANGE_VOLTAGE; |
| 2500 | |
| 2501 | chip->boost_vreg.rdev = regulator_register(rdesc, |
| 2502 | chip->dev, init_data, chip, |
| 2503 | spmi_resource->of_node); |
| 2504 | if (IS_ERR(chip->boost_vreg.rdev)) { |
| 2505 | rc = PTR_ERR(chip->boost_vreg.rdev); |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 2506 | chip->boost_vreg.rdev = NULL; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2507 | if (rc != -EPROBE_DEFER) |
| 2508 | pr_err("boost reg failed, rc=%d\n", rc); |
| 2509 | return rc; |
| 2510 | } |
| 2511 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2512 | break; |
| 2513 | case SMBB_MISC_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2514 | case SMBBP_MISC_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2515 | case SMBCL_MISC_SUBTYPE: |
David Keitel | 52d685e | 2013-05-02 11:59:05 -0700 | [diff] [blame] | 2516 | if (subtype == SMBB_MISC_SUBTYPE) |
| 2517 | chip->type = SMBB; |
| 2518 | else if (subtype == SMBBP_MISC_SUBTYPE) |
| 2519 | chip->type = SMBBP; |
| 2520 | else if (subtype == SMBCL_MISC_SUBTYPE) |
| 2521 | chip->type = SMBCL; |
| 2522 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2523 | pr_debug("Setting BOOT_DONE\n"); |
| 2524 | rc = qpnp_chg_masked_write(chip, |
| 2525 | chip->misc_base + CHGR_MISC_BOOT_DONE, |
| 2526 | CHGR_BOOT_DONE, CHGR_BOOT_DONE, 1); |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 2527 | rc = qpnp_chg_read(chip, ®, |
| 2528 | chip->misc_base + MISC_REVISION2, 1); |
| 2529 | if (rc) { |
| 2530 | pr_err("failed to read revision register rc=%d\n", rc); |
| 2531 | return rc; |
| 2532 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2533 | |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 2534 | chip->revision = reg; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2535 | break; |
| 2536 | default: |
| 2537 | pr_err("Invalid peripheral subtype\n"); |
| 2538 | } |
| 2539 | return rc; |
| 2540 | } |
| 2541 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 2542 | #define OF_PROP_READ(chip, prop, qpnp_dt_property, retval, optional) \ |
| 2543 | do { \ |
| 2544 | if (retval) \ |
| 2545 | break; \ |
| 2546 | \ |
| 2547 | retval = of_property_read_u32(chip->spmi->dev.of_node, \ |
| 2548 | "qcom," qpnp_dt_property, \ |
| 2549 | &chip->prop); \ |
| 2550 | \ |
| 2551 | if ((retval == -EINVAL) && optional) \ |
| 2552 | retval = 0; \ |
| 2553 | else if (retval) \ |
| 2554 | pr_err("Error reading " #qpnp_dt_property \ |
| 2555 | " property rc = %d\n", rc); \ |
| 2556 | } while (0) |
| 2557 | |
| 2558 | static int |
| 2559 | qpnp_charger_read_dt_props(struct qpnp_chg_chip *chip) |
| 2560 | { |
| 2561 | int rc = 0; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2562 | const char *bpd; |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 2563 | |
| 2564 | OF_PROP_READ(chip, max_voltage_mv, "vddmax-mv", rc, 0); |
| 2565 | OF_PROP_READ(chip, min_voltage_mv, "vinmin-mv", rc, 0); |
| 2566 | OF_PROP_READ(chip, safe_voltage_mv, "vddsafe-mv", rc, 0); |
| 2567 | OF_PROP_READ(chip, resume_delta_mv, "vbatdet-delta-mv", rc, 0); |
| 2568 | OF_PROP_READ(chip, safe_current, "ibatsafe-ma", rc, 0); |
| 2569 | OF_PROP_READ(chip, max_bat_chg_current, "ibatmax-ma", rc, 0); |
| 2570 | if (rc) |
| 2571 | pr_err("failed to read required dt parameters %d\n", rc); |
| 2572 | |
| 2573 | OF_PROP_READ(chip, term_current, "ibatterm-ma", rc, 1); |
| 2574 | OF_PROP_READ(chip, maxinput_dc_ma, "maxinput-dc-ma", rc, 1); |
| 2575 | OF_PROP_READ(chip, maxinput_usb_ma, "maxinput-usb-ma", rc, 1); |
| 2576 | OF_PROP_READ(chip, warm_bat_decidegc, "warm-bat-decidegc", rc, 1); |
| 2577 | OF_PROP_READ(chip, cool_bat_decidegc, "cool-bat-decidegc", rc, 1); |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 2578 | OF_PROP_READ(chip, tchg_mins, "tchg-mins", rc, 1); |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 2579 | if (rc) |
| 2580 | return rc; |
| 2581 | |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2582 | rc = of_property_read_string(chip->spmi->dev.of_node, |
| 2583 | "qcom,bpd-detection", &bpd); |
| 2584 | if (rc) { |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 2585 | /* Select BAT_THM as default BPD scheme */ |
| 2586 | chip->bpd_detection = BPD_TYPE_BAT_THM; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2587 | } else { |
| 2588 | chip->bpd_detection = get_bpd(bpd); |
| 2589 | if (chip->bpd_detection < 0) { |
| 2590 | pr_err("failed to determine bpd schema %d\n", rc); |
| 2591 | return rc; |
| 2592 | } |
| 2593 | } |
| 2594 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 2595 | /* Look up JEITA compliance parameters if cool and warm temp provided */ |
| 2596 | if (chip->cool_bat_decidegc && chip->warm_bat_decidegc) { |
| 2597 | rc = qpnp_adc_tm_is_ready(); |
| 2598 | if (rc) { |
| 2599 | pr_err("tm not ready %d\n", rc); |
| 2600 | return rc; |
| 2601 | } |
| 2602 | |
| 2603 | OF_PROP_READ(chip, warm_bat_chg_ma, "ibatmax-warm-ma", rc, 1); |
| 2604 | OF_PROP_READ(chip, cool_bat_chg_ma, "ibatmax-cool-ma", rc, 1); |
| 2605 | OF_PROP_READ(chip, warm_bat_mv, "warm-bat-mv", rc, 1); |
| 2606 | OF_PROP_READ(chip, cool_bat_mv, "cool-bat-mv", rc, 1); |
| 2607 | if (rc) |
| 2608 | return rc; |
| 2609 | } |
| 2610 | |
| 2611 | /* Get the charging-disabled property */ |
| 2612 | chip->charging_disabled = of_property_read_bool(chip->spmi->dev.of_node, |
| 2613 | "qcom,charging-disabled"); |
| 2614 | |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 2615 | /* Get the duty-cycle-100p property */ |
| 2616 | chip->duty_cycle_100p = of_property_read_bool( |
| 2617 | chip->spmi->dev.of_node, |
| 2618 | "qcom,duty-cycle-100p"); |
| 2619 | if (chip->duty_cycle_100p) { |
| 2620 | rc = qpnp_buck_set_100_duty_cycle_enable(chip, 1); |
| 2621 | if (rc) { |
| 2622 | pr_err("failed to enable duty cycle %d\n", rc); |
| 2623 | return rc; |
| 2624 | } |
| 2625 | } |
| 2626 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 2627 | /* Get the fake-batt-values property */ |
| 2628 | chip->use_default_batt_values = |
| 2629 | of_property_read_bool(chip->spmi->dev.of_node, |
| 2630 | "qcom,use-default-batt-values"); |
| 2631 | |
| 2632 | /* Disable charging when faking battery values */ |
| 2633 | if (chip->use_default_batt_values) |
| 2634 | chip->charging_disabled = true; |
| 2635 | |
| 2636 | of_get_property(chip->spmi->dev.of_node, "qcom,thermal-mitigation", |
| 2637 | &(chip->thermal_levels)); |
| 2638 | |
| 2639 | if (chip->thermal_levels > sizeof(int)) { |
| 2640 | chip->thermal_mitigation = kzalloc( |
| 2641 | chip->thermal_levels, |
| 2642 | GFP_KERNEL); |
| 2643 | |
| 2644 | if (chip->thermal_mitigation == NULL) { |
| 2645 | pr_err("thermal mitigation kzalloc() failed.\n"); |
| 2646 | return rc; |
| 2647 | } |
| 2648 | |
| 2649 | chip->thermal_levels /= sizeof(int); |
| 2650 | rc = of_property_read_u32_array(chip->spmi->dev.of_node, |
| 2651 | "qcom,thermal-mitigation", |
| 2652 | chip->thermal_mitigation, chip->thermal_levels); |
| 2653 | if (rc) { |
| 2654 | pr_err("qcom,thermal-mitigation missing in dt\n"); |
| 2655 | return rc; |
| 2656 | } |
| 2657 | } |
| 2658 | |
| 2659 | return rc; |
| 2660 | } |
| 2661 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2662 | static int __devinit |
| 2663 | qpnp_charger_probe(struct spmi_device *spmi) |
| 2664 | { |
| 2665 | u8 subtype; |
| 2666 | struct qpnp_chg_chip *chip; |
| 2667 | struct resource *resource; |
| 2668 | struct spmi_resource *spmi_resource; |
| 2669 | int rc = 0; |
| 2670 | |
| 2671 | chip = kzalloc(sizeof *chip, GFP_KERNEL); |
| 2672 | if (chip == NULL) { |
| 2673 | pr_err("kzalloc() failed.\n"); |
| 2674 | return -ENOMEM; |
| 2675 | } |
| 2676 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2677 | chip->dev = &(spmi->dev); |
| 2678 | chip->spmi = spmi; |
| 2679 | |
| 2680 | chip->usb_psy = power_supply_get_by_name("usb"); |
| 2681 | if (!chip->usb_psy) { |
| 2682 | pr_err("usb supply not found deferring probe\n"); |
| 2683 | rc = -EPROBE_DEFER; |
| 2684 | goto fail_chg_enable; |
| 2685 | } |
| 2686 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 2687 | /* Get all device tree properties */ |
| 2688 | rc = qpnp_charger_read_dt_props(chip); |
| 2689 | if (rc) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2690 | goto fail_chg_enable; |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 2691 | |
David Keitel | dd87a17 | 2013-05-29 17:05:43 -0700 | [diff] [blame] | 2692 | /* Check if bat_if is set in DT and make sure VADC is present */ |
| 2693 | spmi_for_each_container_dev(spmi_resource, spmi) { |
| 2694 | if (!spmi_resource) { |
| 2695 | pr_err("qpnp_chg: spmi resource absent\n"); |
| 2696 | rc = -ENXIO; |
| 2697 | goto fail_chg_enable; |
| 2698 | } |
| 2699 | |
| 2700 | resource = spmi_get_resource(spmi, spmi_resource, |
| 2701 | IORESOURCE_MEM, 0); |
| 2702 | if (!(resource && resource->start)) { |
| 2703 | pr_err("node %s IO resource absent!\n", |
| 2704 | spmi->dev.of_node->full_name); |
| 2705 | rc = -ENXIO; |
| 2706 | goto fail_chg_enable; |
| 2707 | } |
| 2708 | |
| 2709 | rc = qpnp_chg_read(chip, &subtype, |
| 2710 | resource->start + REG_OFFSET_PERP_SUBTYPE, 1); |
| 2711 | if (rc) { |
| 2712 | pr_err("Peripheral subtype read failed rc=%d\n", rc); |
| 2713 | goto fail_chg_enable; |
| 2714 | } |
| 2715 | |
| 2716 | if (subtype == SMBB_BAT_IF_SUBTYPE || |
| 2717 | subtype == SMBBP_BAT_IF_SUBTYPE || |
| 2718 | subtype == SMBCL_BAT_IF_SUBTYPE){ |
| 2719 | rc = qpnp_vadc_is_ready(); |
| 2720 | if (rc) |
| 2721 | goto fail_chg_enable; |
| 2722 | } |
| 2723 | } |
| 2724 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2725 | spmi_for_each_container_dev(spmi_resource, spmi) { |
| 2726 | if (!spmi_resource) { |
| 2727 | pr_err("qpnp_chg: spmi resource absent\n"); |
| 2728 | rc = -ENXIO; |
| 2729 | goto fail_chg_enable; |
| 2730 | } |
| 2731 | |
| 2732 | resource = spmi_get_resource(spmi, spmi_resource, |
| 2733 | IORESOURCE_MEM, 0); |
| 2734 | if (!(resource && resource->start)) { |
| 2735 | pr_err("node %s IO resource absent!\n", |
| 2736 | spmi->dev.of_node->full_name); |
| 2737 | rc = -ENXIO; |
| 2738 | goto fail_chg_enable; |
| 2739 | } |
| 2740 | |
| 2741 | rc = qpnp_chg_read(chip, &subtype, |
| 2742 | resource->start + REG_OFFSET_PERP_SUBTYPE, 1); |
| 2743 | if (rc) { |
| 2744 | pr_err("Peripheral subtype read failed rc=%d\n", rc); |
| 2745 | goto fail_chg_enable; |
| 2746 | } |
| 2747 | |
| 2748 | switch (subtype) { |
| 2749 | case SMBB_CHGR_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2750 | case SMBBP_CHGR_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2751 | case SMBCL_CHGR_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2752 | chip->chgr_base = resource->start; |
| 2753 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2754 | if (rc) { |
| 2755 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 2756 | subtype, rc); |
| 2757 | goto fail_chg_enable; |
| 2758 | } |
| 2759 | break; |
| 2760 | case SMBB_BUCK_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2761 | case SMBBP_BUCK_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2762 | case SMBCL_BUCK_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2763 | chip->buck_base = resource->start; |
| 2764 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2765 | if (rc) { |
| 2766 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 2767 | subtype, rc); |
| 2768 | goto fail_chg_enable; |
| 2769 | } |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2770 | |
| 2771 | rc = qpnp_chg_masked_write(chip, |
| 2772 | chip->buck_base + SEC_ACCESS, |
| 2773 | 0xFF, |
| 2774 | 0xA5, 1); |
| 2775 | |
| 2776 | rc = qpnp_chg_masked_write(chip, |
| 2777 | chip->buck_base + BUCK_VCHG_OV, |
| 2778 | 0xff, |
| 2779 | 0x00, 1); |
| 2780 | |
| 2781 | rc = qpnp_chg_masked_write(chip, |
| 2782 | chip->buck_base + SEC_ACCESS, |
| 2783 | 0xFF, |
| 2784 | 0xA5, 1); |
| 2785 | |
| 2786 | rc = qpnp_chg_masked_write(chip, |
| 2787 | chip->buck_base + BUCK_TEST_SMBC_MODES, |
| 2788 | 0xFF, |
| 2789 | 0x80, 1); |
| 2790 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2791 | break; |
| 2792 | case SMBB_BAT_IF_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2793 | case SMBBP_BAT_IF_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2794 | case SMBCL_BAT_IF_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2795 | chip->bat_if_base = resource->start; |
| 2796 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2797 | if (rc) { |
| 2798 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 2799 | subtype, rc); |
| 2800 | goto fail_chg_enable; |
| 2801 | } |
| 2802 | break; |
| 2803 | case SMBB_USB_CHGPTH_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2804 | case SMBBP_USB_CHGPTH_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2805 | case SMBCL_USB_CHGPTH_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2806 | chip->usb_chgpth_base = resource->start; |
| 2807 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2808 | if (rc) { |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2809 | if (rc != -EPROBE_DEFER) |
| 2810 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2811 | subtype, rc); |
| 2812 | goto fail_chg_enable; |
| 2813 | } |
| 2814 | break; |
| 2815 | case SMBB_DC_CHGPTH_SUBTYPE: |
| 2816 | chip->dc_chgpth_base = resource->start; |
| 2817 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2818 | if (rc) { |
| 2819 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 2820 | subtype, rc); |
| 2821 | goto fail_chg_enable; |
| 2822 | } |
| 2823 | break; |
| 2824 | case SMBB_BOOST_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2825 | case SMBBP_BOOST_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2826 | chip->boost_base = resource->start; |
| 2827 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2828 | if (rc) { |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2829 | if (rc != -EPROBE_DEFER) |
| 2830 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2831 | subtype, rc); |
| 2832 | goto fail_chg_enable; |
| 2833 | } |
| 2834 | break; |
| 2835 | case SMBB_MISC_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2836 | case SMBBP_MISC_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 2837 | case SMBCL_MISC_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2838 | chip->misc_base = resource->start; |
| 2839 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 2840 | if (rc) { |
| 2841 | pr_err("Failed to init subtype=0x%x rc=%d\n", |
| 2842 | subtype, rc); |
| 2843 | goto fail_chg_enable; |
| 2844 | } |
| 2845 | break; |
| 2846 | default: |
| 2847 | pr_err("Invalid peripheral subtype=0x%x\n", subtype); |
| 2848 | rc = -EINVAL; |
| 2849 | goto fail_chg_enable; |
| 2850 | } |
| 2851 | } |
| 2852 | dev_set_drvdata(&spmi->dev, chip); |
| 2853 | device_init_wakeup(&spmi->dev, 1); |
| 2854 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2855 | if (chip->bat_if_base) { |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2856 | chip->batt_psy.name = "battery"; |
| 2857 | chip->batt_psy.type = POWER_SUPPLY_TYPE_BATTERY; |
| 2858 | chip->batt_psy.properties = msm_batt_power_props; |
| 2859 | chip->batt_psy.num_properties = |
| 2860 | ARRAY_SIZE(msm_batt_power_props); |
| 2861 | chip->batt_psy.get_property = qpnp_batt_power_get_property; |
| 2862 | chip->batt_psy.set_property = qpnp_batt_power_set_property; |
| 2863 | chip->batt_psy.property_is_writeable = |
| 2864 | qpnp_batt_property_is_writeable; |
| 2865 | chip->batt_psy.external_power_changed = |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2866 | qpnp_batt_external_power_changed; |
Xiaozhe Shi | 890fbf4 | 2013-05-02 16:42:53 -0700 | [diff] [blame] | 2867 | chip->batt_psy.supplied_to = pm_batt_supplied_to; |
| 2868 | chip->batt_psy.num_supplicants = |
| 2869 | ARRAY_SIZE(pm_batt_supplied_to); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2870 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2871 | rc = power_supply_register(chip->dev, &chip->batt_psy); |
| 2872 | if (rc < 0) { |
| 2873 | pr_err("batt failed to register rc = %d\n", rc); |
| 2874 | goto fail_chg_enable; |
| 2875 | } |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 2876 | INIT_WORK(&chip->adc_measure_work, |
| 2877 | qpnp_bat_if_adc_measure_work); |
David Keitel | c7093b0 | 2013-02-14 12:50:04 -0800 | [diff] [blame] | 2878 | } |
| 2879 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2880 | wake_lock_init(&chip->eoc_wake_lock, |
| 2881 | WAKE_LOCK_SUSPEND, "qpnp-chg-eoc-lock"); |
| 2882 | INIT_DELAYED_WORK(&chip->eoc_work, qpnp_eoc_work); |
David Keitel | 5910eea | 2013-05-02 15:32:25 -0700 | [diff] [blame] | 2883 | INIT_DELAYED_WORK(&chip->arb_stop_work, qpnp_arb_stop_work); |
| 2884 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2885 | if (chip->dc_chgpth_base) { |
| 2886 | chip->dc_psy.name = "qpnp-dc"; |
| 2887 | chip->dc_psy.type = POWER_SUPPLY_TYPE_MAINS; |
| 2888 | chip->dc_psy.supplied_to = pm_power_supplied_to; |
| 2889 | chip->dc_psy.num_supplicants = ARRAY_SIZE(pm_power_supplied_to); |
| 2890 | chip->dc_psy.properties = pm_power_props_mains; |
| 2891 | chip->dc_psy.num_properties = ARRAY_SIZE(pm_power_props_mains); |
| 2892 | chip->dc_psy.get_property = qpnp_power_get_property_mains; |
| 2893 | |
| 2894 | rc = power_supply_register(chip->dev, &chip->dc_psy); |
| 2895 | if (rc < 0) { |
| 2896 | pr_err("power_supply_register dc failed rc=%d\n", rc); |
| 2897 | goto unregister_batt; |
| 2898 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2899 | } |
| 2900 | |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 2901 | /* Turn on appropriate workaround flags */ |
| 2902 | qpnp_chg_setup_flags(chip); |
| 2903 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2904 | if (chip->maxinput_dc_ma && chip->dc_chgpth_base) { |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 2905 | rc = qpnp_chg_idcmax_set(chip, chip->maxinput_dc_ma); |
| 2906 | if (rc) { |
| 2907 | pr_err("Error setting idcmax property %d\n", rc); |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2908 | goto unregister_batt; |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 2909 | } |
| 2910 | } |
| 2911 | |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2912 | if (chip->cool_bat_decidegc && chip->warm_bat_decidegc) { |
| 2913 | chip->adc_param.low_temp = chip->cool_bat_decidegc; |
| 2914 | chip->adc_param.high_temp = chip->warm_bat_decidegc; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2915 | chip->adc_param.timer_interval = ADC_MEAS2_INTERVAL_1S; |
| 2916 | chip->adc_param.state_request = ADC_TM_HIGH_LOW_THR_ENABLE; |
| 2917 | chip->adc_param.btm_ctx = chip; |
| 2918 | chip->adc_param.threshold_notification = |
| 2919 | qpnp_chg_adc_notification; |
Siddartha Mohanadoss | a3e3551 | 2013-02-22 17:06:07 -0800 | [diff] [blame] | 2920 | chip->adc_param.channel = LR_MUX1_BATT_THERM; |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2921 | |
| 2922 | if (get_prop_batt_present(chip)) { |
| 2923 | rc = qpnp_adc_tm_channel_measure(&chip->adc_param); |
| 2924 | if (rc) { |
| 2925 | pr_err("request ADC error %d\n", rc); |
| 2926 | goto fail_chg_enable; |
| 2927 | } |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2928 | } |
| 2929 | } |
| 2930 | |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 2931 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
David Keitel | b1ddb74 | 2012-11-06 19:05:51 -0800 | [diff] [blame] | 2932 | qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 2933 | qpnp_chg_set_appropriate_vddmax(chip); |
David Keitel | bf35904 | 2012-10-19 16:54:58 -0700 | [diff] [blame] | 2934 | |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 2935 | rc = qpnp_chg_request_irqs(chip); |
| 2936 | if (rc) { |
| 2937 | pr_err("failed to request interrupts %d\n", rc); |
| 2938 | goto unregister_batt; |
| 2939 | } |
| 2940 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2941 | qpnp_chg_usb_usbin_valid_irq_handler(USBIN_VALID_IRQ, chip); |
David Keitel | d2efc39 | 2013-06-05 16:27:12 -0700 | [diff] [blame^] | 2942 | qpnp_chg_dc_dcin_valid_irq_handler(DCIN_VALID_IRQ, chip); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2943 | power_supply_set_present(chip->usb_psy, |
| 2944 | qpnp_chg_is_usb_chg_plugged_in(chip)); |
| 2945 | |
David Keitel | 3c62b47 | 2013-05-06 15:38:11 -0700 | [diff] [blame] | 2946 | /* Set USB psy online to avoid userspace from shutting down if battery |
| 2947 | * capacity is at zero and no chargers online. */ |
| 2948 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) |
| 2949 | power_supply_set_online(chip->usb_psy, 1); |
| 2950 | |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2951 | pr_info("success chg_dis = %d, bpd = %d, usb = %d, dc = %d b_health = %d batt_present = %d\n", |
Abhijeet Dharmapurikar | 2d996b1 | 2013-01-03 17:48:02 -0800 | [diff] [blame] | 2952 | chip->charging_disabled, |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 2953 | chip->bpd_detection, |
Abhijeet Dharmapurikar | 2d996b1 | 2013-01-03 17:48:02 -0800 | [diff] [blame] | 2954 | qpnp_chg_is_usb_chg_plugged_in(chip), |
| 2955 | qpnp_chg_is_dc_chg_plugged_in(chip), |
| 2956 | get_prop_batt_present(chip), |
| 2957 | get_prop_batt_health(chip)); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2958 | return 0; |
| 2959 | |
David Keitel | c7093b0 | 2013-02-14 12:50:04 -0800 | [diff] [blame] | 2960 | unregister_batt: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 2961 | if (chip->bat_if_base) |
| 2962 | power_supply_unregister(&chip->batt_psy); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2963 | fail_chg_enable: |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 2964 | regulator_unregister(chip->otg_vreg.rdev); |
| 2965 | regulator_unregister(chip->boost_vreg.rdev); |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 2966 | kfree(chip->thermal_mitigation); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2967 | kfree(chip); |
| 2968 | dev_set_drvdata(&spmi->dev, NULL); |
| 2969 | return rc; |
| 2970 | } |
| 2971 | |
| 2972 | static int __devexit |
| 2973 | qpnp_charger_remove(struct spmi_device *spmi) |
| 2974 | { |
| 2975 | struct qpnp_chg_chip *chip = dev_get_drvdata(&spmi->dev); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 2976 | if (chip->cool_bat_decidegc && chip->warm_bat_decidegc |
| 2977 | && chip->batt_present) { |
| 2978 | qpnp_adc_tm_disable_chan_meas(&chip->adc_param); |
| 2979 | } |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 2980 | cancel_work_sync(&chip->adc_measure_work); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2981 | cancel_delayed_work_sync(&chip->eoc_work); |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 2982 | |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 2983 | regulator_unregister(chip->otg_vreg.rdev); |
| 2984 | regulator_unregister(chip->boost_vreg.rdev); |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 2985 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2986 | dev_set_drvdata(&spmi->dev, NULL); |
| 2987 | kfree(chip); |
| 2988 | |
| 2989 | return 0; |
| 2990 | } |
| 2991 | |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 2992 | static int qpnp_chg_resume(struct device *dev) |
| 2993 | { |
| 2994 | struct qpnp_chg_chip *chip = dev_get_drvdata(dev); |
| 2995 | int rc = 0; |
| 2996 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 2997 | if (chip->bat_if_base) { |
| 2998 | rc = qpnp_chg_masked_write(chip, |
| 2999 | chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL, |
| 3000 | VREF_BATT_THERM_FORCE_ON, |
| 3001 | VREF_BATT_THERM_FORCE_ON, 1); |
| 3002 | if (rc) |
| 3003 | pr_debug("failed to force on VREF_BAT_THM rc=%d\n", rc); |
| 3004 | } |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 3005 | |
| 3006 | return rc; |
| 3007 | } |
| 3008 | |
| 3009 | static int qpnp_chg_suspend(struct device *dev) |
| 3010 | { |
| 3011 | struct qpnp_chg_chip *chip = dev_get_drvdata(dev); |
| 3012 | int rc = 0; |
| 3013 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 3014 | if (chip->bat_if_base) { |
| 3015 | rc = qpnp_chg_masked_write(chip, |
| 3016 | chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL, |
| 3017 | VREF_BATT_THERM_FORCE_ON, |
| 3018 | VREF_BAT_THM_ENABLED_FSM, 1); |
| 3019 | if (rc) |
| 3020 | pr_debug("failed to set FSM VREF_BAT_THM rc=%d\n", rc); |
| 3021 | } |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 3022 | |
| 3023 | return rc; |
| 3024 | } |
| 3025 | |
David Keitel | 723d501 | 2013-05-03 13:17:27 -0700 | [diff] [blame] | 3026 | static const struct dev_pm_ops qpnp_chg_pm_ops = { |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 3027 | .resume = qpnp_chg_resume, |
| 3028 | .suspend = qpnp_chg_suspend, |
| 3029 | }; |
| 3030 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 3031 | static struct spmi_driver qpnp_charger_driver = { |
| 3032 | .probe = qpnp_charger_probe, |
| 3033 | .remove = __devexit_p(qpnp_charger_remove), |
| 3034 | .driver = { |
David Keitel | 723d501 | 2013-05-03 13:17:27 -0700 | [diff] [blame] | 3035 | .name = QPNP_CHARGER_DEV_NAME, |
| 3036 | .owner = THIS_MODULE, |
| 3037 | .of_match_table = qpnp_charger_match_table, |
| 3038 | .pm = &qpnp_chg_pm_ops, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 3039 | }, |
| 3040 | }; |
| 3041 | |
| 3042 | /** |
| 3043 | * qpnp_chg_init() - register spmi driver for qpnp-chg |
| 3044 | */ |
| 3045 | int __init |
| 3046 | qpnp_chg_init(void) |
| 3047 | { |
| 3048 | return spmi_driver_register(&qpnp_charger_driver); |
| 3049 | } |
| 3050 | module_init(qpnp_chg_init); |
| 3051 | |
| 3052 | static void __exit |
| 3053 | qpnp_chg_exit(void) |
| 3054 | { |
| 3055 | spmi_driver_unregister(&qpnp_charger_driver); |
| 3056 | } |
| 3057 | module_exit(qpnp_chg_exit); |
| 3058 | |
| 3059 | |
| 3060 | MODULE_DESCRIPTION("QPNP charger driver"); |
| 3061 | MODULE_LICENSE("GPL v2"); |
| 3062 | MODULE_ALIAS("platform:" QPNP_CHARGER_DEV_NAME); |